Home / 52,497.14-78,761.60-18,758.74

Finding the Fourth Proportional to 52,497.14, 78,761.60 and 18,758.74

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Solution

The fourth proportional to 52,497.14, 78,761.60 and 18,758.74 is: 28,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497.14 : 78,761.60 = 18,758.74 : x
  2. Step 2: Convert to fraction form
    52,497.14/78,761.60 = 18,758.74/x
  3. Step 3: Cross multiply
    52,497.14x = 78,761.60 × 18,758.74
  4. Step 4: Simplify right side
    52,497.14x = 1,477,468,376.38
  5. Step 5: Solve for x
    x = 1,477,468,376.38/52,497.14
  6. Step 6: Final answer
    x = 28,143.79

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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.