Home / 39,632.83-54,691.88-21,727.47

Finding the Fourth Proportional to 39,632.83, 54,691.88 and 21,727.47

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Solution

The fourth proportional to 39,632.83, 54,691.88 and 21,727.47 is: 29,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,632.83 : 54,691.88 = 21,727.47 : x
  2. Step 2: Convert to fraction form
    39,632.83/54,691.88 = 21,727.47/x
  3. Step 3: Cross multiply
    39,632.83x = 54,691.88 × 21,727.47
  4. Step 4: Simplify right side
    39,632.83x = 1,188,316,278.40
  5. Step 5: Solve for x
    x = 1,188,316,278.40/39,632.83
  6. Step 6: Final answer
    x = 29,983.13

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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.