Home / 45,565.52-68,411.24-31,490.87

Finding the Fourth Proportional to 45,565.52, 68,411.24 and 31,490.87

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Solution

The fourth proportional to 45,565.52, 68,411.24 and 31,490.87 is: 47,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,565.52 : 68,411.24 = 31,490.87 : x
  2. Step 2: Convert to fraction form
    45,565.52/68,411.24 = 31,490.87/x
  3. Step 3: Cross multiply
    45,565.52x = 68,411.24 × 31,490.87
  4. Step 4: Simplify right side
    45,565.52x = 2,154,329,307.92
  5. Step 5: Solve for x
    x = 2,154,329,307.92/45,565.52
  6. Step 6: Final answer
    x = 47,279.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.