Home / 38,104.69-52,582.98-21,109.63

Finding the Fourth Proportional to 38,104.69, 52,582.98 and 21,109.63

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Solution

The fourth proportional to 38,104.69, 52,582.98 and 21,109.63 is: 29,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.69 : 52,582.98 = 21,109.63 : x
  2. Step 2: Convert to fraction form
    38,104.69/52,582.98 = 21,109.63/x
  3. Step 3: Cross multiply
    38,104.69x = 52,582.98 × 21,109.63
  4. Step 4: Simplify right side
    38,104.69x = 1,110,007,252.10
  5. Step 5: Solve for x
    x = 1,110,007,252.10/38,104.69
  6. Step 6: Final answer
    x = 29,130.46

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Double scale
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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.