Home / 31,114.73-42,937.19-16,967.27

Finding the Fourth Proportional to 31,114.73, 42,937.19 and 16,967.27

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Solution

The fourth proportional to 31,114.73, 42,937.19 and 16,967.27 is: 23,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.73 : 42,937.19 = 16,967.27 : x
  2. Step 2: Convert to fraction form
    31,114.73/42,937.19 = 16,967.27/x
  3. Step 3: Cross multiply
    31,114.73x = 42,937.19 × 16,967.27
  4. Step 4: Simplify right side
    31,114.73x = 728,526,981.91
  5. Step 5: Solve for x
    x = 728,526,981.91/31,114.73
  6. Step 6: Final answer
    x = 23,414.21

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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.