Home / 52,147.13-78,223.12-15,211.13

Finding the Fourth Proportional to 52,147.13, 78,223.12 and 15,211.13

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Solution

The fourth proportional to 52,147.13, 78,223.12 and 15,211.13 is: 22,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,147.13 : 78,223.12 = 15,211.13 : x
  2. Step 2: Convert to fraction form
    52,147.13/78,223.12 = 15,211.13/x
  3. Step 3: Cross multiply
    52,147.13x = 78,223.12 × 15,211.13
  4. Step 4: Simplify right side
    52,147.13x = 1,189,861,618.18
  5. Step 5: Solve for x
    x = 1,189,861,618.18/52,147.13
  6. Step 6: Final answer
    x = 22,817.40

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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.