Home / 31,402.92-43,251.78-29,038.12

Finding the Fourth Proportional to 31,402.92, 43,251.78 and 29,038.12

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Solution

The fourth proportional to 31,402.92, 43,251.78 and 29,038.12 is: 39,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.92 : 43,251.78 = 29,038.12 : x
  2. Step 2: Convert to fraction form
    31,402.92/43,251.78 = 29,038.12/x
  3. Step 3: Cross multiply
    31,402.92x = 43,251.78 × 29,038.12
  4. Step 4: Simplify right side
    31,402.92x = 1,255,950,377.85
  5. Step 5: Solve for x
    x = 1,255,950,377.85/31,402.92
  6. Step 6: Final answer
    x = 39,994.70

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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.