Home / 57,385.68-79,185.28-31,891.92

Finding the Fourth Proportional to 57,385.68, 79,185.28 and 31,891.92

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Solution

The fourth proportional to 57,385.68, 79,185.28 and 31,891.92 is: 44,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,385.68 : 79,185.28 = 31,891.92 : x
  2. Step 2: Convert to fraction form
    57,385.68/79,185.28 = 31,891.92/x
  3. Step 3: Cross multiply
    57,385.68x = 79,185.28 × 31,891.92
  4. Step 4: Simplify right side
    57,385.68x = 2,525,370,614.94
  5. Step 5: Solve for x
    x = 2,525,370,614.94/57,385.68
  6. Step 6: Final answer
    x = 44,006.98

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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.