Home / 38,114.71-52,597.62-21,118.61

Finding the Fourth Proportional to 38,114.71, 52,597.62 and 21,118.61

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Solution

The fourth proportional to 38,114.71, 52,597.62 and 21,118.61 is: 29,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.71 : 52,597.62 = 21,118.61 : x
  2. Step 2: Convert to fraction form
    38,114.71/52,597.62 = 21,118.61/x
  3. Step 3: Cross multiply
    38,114.71x = 52,597.62 × 21,118.61
  4. Step 4: Simplify right side
    38,114.71x = 1,110,788,755.20
  5. Step 5: Solve for x
    x = 1,110,788,755.20/38,114.71
  6. Step 6: Final answer
    x = 29,143.31

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Double scale
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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.