Home / 52,684.92-72,705.18-28,811.61

Finding the Fourth Proportional to 52,684.92, 72,705.18 and 28,811.61

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Solution

The fourth proportional to 52,684.92, 72,705.18 and 28,811.61 is: 39,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,684.92 : 72,705.18 = 28,811.61 : x
  2. Step 2: Convert to fraction form
    52,684.92/72,705.18 = 28,811.61/x
  3. Step 3: Cross multiply
    52,684.92x = 72,705.18 × 28,811.61
  4. Step 4: Simplify right side
    52,684.92x = 2,094,753,291.14
  5. Step 5: Solve for x
    x = 2,094,753,291.14/52,684.92
  6. Step 6: Final answer
    x = 39,760.02

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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.