Home / 52,766.16-79,140.78-19,501.92

Finding the Fourth Proportional to 52,766.16, 79,140.78 and 19,501.92

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Solution

The fourth proportional to 52,766.16, 79,140.78 and 19,501.92 is: 29,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,766.16 : 79,140.78 = 19,501.92 : x
  2. Step 2: Convert to fraction form
    52,766.16/79,140.78 = 19,501.92/x
  3. Step 3: Cross multiply
    52,766.16x = 79,140.78 × 19,501.92
  4. Step 4: Simplify right side
    52,766.16x = 1,543,397,160.30
  5. Step 5: Solve for x
    x = 1,543,397,160.30/52,766.16
  6. Step 6: Final answer
    x = 29,249.75

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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.