Home / 51,565.11-71,143.88-28,900.96

Finding the Fourth Proportional to 51,565.11, 71,143.88 and 28,900.96

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Solution

The fourth proportional to 51,565.11, 71,143.88 and 28,900.96 is: 39,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.11 : 71,143.88 = 28,900.96 : x
  2. Step 2: Convert to fraction form
    51,565.11/71,143.88 = 28,900.96/x
  3. Step 3: Cross multiply
    51,565.11x = 71,143.88 × 28,900.96
  4. Step 4: Simplify right side
    51,565.11x = 2,056,125,929.90
  5. Step 5: Solve for x
    x = 2,056,125,929.90/51,565.11
  6. Step 6: Final answer
    x = 39,874.36

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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.