Home / 52,148.28-78,194.16-18,397.38

Finding the Fourth Proportional to 52,148.28, 78,194.16 and 18,397.38

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Solution

The fourth proportional to 52,148.28, 78,194.16 and 18,397.38 is: 27,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148.28 : 78,194.16 = 18,397.38 : x
  2. Step 2: Convert to fraction form
    52,148.28/78,194.16 = 18,397.38/x
  3. Step 3: Cross multiply
    52,148.28x = 78,194.16 × 18,397.38
  4. Step 4: Simplify right side
    52,148.28x = 1,438,567,675.30
  5. Step 5: Solve for x
    x = 1,438,567,675.30/52,148.28
  6. Step 6: Final answer
    x = 27,586.10

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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.