Home / 31,113.48-42,937.02-16,966.92

Finding the Fourth Proportional to 31,113.48, 42,937.02 and 16,966.92

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Solution

The fourth proportional to 31,113.48, 42,937.02 and 16,966.92 is: 23,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.48 : 42,937.02 = 16,966.92 : x
  2. Step 2: Convert to fraction form
    31,113.48/42,937.02 = 16,966.92/x
  3. Step 3: Cross multiply
    31,113.48x = 42,937.02 × 16,966.92
  4. Step 4: Simplify right side
    31,113.48x = 728,508,983.38
  5. Step 5: Solve for x
    x = 728,508,983.38/31,113.48
  6. Step 6: Final answer
    x = 23,414.58

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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.