Home / 39,854.61-54,997.17-21,946.23

Finding the Fourth Proportional to 39,854.61, 54,997.17 and 21,946.23

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Solution

The fourth proportional to 39,854.61, 54,997.17 and 21,946.23 is: 30,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.61 : 54,997.17 = 21,946.23 : x
  2. Step 2: Convert to fraction form
    39,854.61/54,997.17 = 21,946.23/x
  3. Step 3: Cross multiply
    39,854.61x = 54,997.17 × 21,946.23
  4. Step 4: Simplify right side
    39,854.61x = 1,206,980,542.17
  5. Step 5: Solve for x
    x = 1,206,980,542.17/39,854.61
  6. Step 6: Final answer
    x = 30,284.59

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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.