Home / 31,429.68-47,230.92-29,374.80

Finding the Fourth Proportional to 31,429.68, 47,230.92 and 29,374.80

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Solution

The fourth proportional to 31,429.68, 47,230.92 and 29,374.80 is: 44,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.68 : 47,230.92 = 29,374.80 : x
  2. Step 2: Convert to fraction form
    31,429.68/47,230.92 = 29,374.80/x
  3. Step 3: Cross multiply
    31,429.68x = 47,230.92 × 29,374.80
  4. Step 4: Simplify right side
    31,429.68x = 1,387,398,828.82
  5. Step 5: Solve for x
    x = 1,387,398,828.82/31,429.68
  6. Step 6: Final answer
    x = 44,142.95

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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.