Home / 31,838.96-43,938.92-17,691.50

Finding the Fourth Proportional to 31,838.96, 43,938.92 and 17,691.50

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Solution

The fourth proportional to 31,838.96, 43,938.92 and 17,691.50 is: 24,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.96 : 43,938.92 = 17,691.50 : x
  2. Step 2: Convert to fraction form
    31,838.96/43,938.92 = 17,691.50/x
  3. Step 3: Cross multiply
    31,838.96x = 43,938.92 × 17,691.50
  4. Step 4: Simplify right side
    31,838.96x = 777,345,403.18
  5. Step 5: Solve for x
    x = 777,345,403.18/31,838.96
  6. Step 6: Final answer
    x = 24,414.91

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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.