Home / 38,005.04-52,447.56-21,239.12

Finding the Fourth Proportional to 38,005.04, 52,447.56 and 21,239.12

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Solution

The fourth proportional to 38,005.04, 52,447.56 and 21,239.12 is: 29,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.04 : 52,447.56 = 21,239.12 : x
  2. Step 2: Convert to fraction form
    38,005.04/52,447.56 = 21,239.12/x
  3. Step 3: Cross multiply
    38,005.04x = 52,447.56 × 21,239.12
  4. Step 4: Simplify right side
    38,005.04x = 1,113,940,020.55
  5. Step 5: Solve for x
    x = 1,113,940,020.55/38,005.04
  6. Step 6: Final answer
    x = 29,310.32

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Find fourth proportional to 19,002.52, 26,223.78 and 10,619.56
Half scale
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Double scale
Find fourth proportional to 38,006.04, 52,448.94 and 21,240.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.