Home / 52,067.57-78,082.52-18,778.69

Finding the Fourth Proportional to 52,067.57, 78,082.52 and 18,778.69

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Solution

The fourth proportional to 52,067.57, 78,082.52 and 18,778.69 is: 28,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,067.57 : 78,082.52 = 18,778.69 : x
  2. Step 2: Convert to fraction form
    52,067.57/78,082.52 = 18,778.69/x
  3. Step 3: Cross multiply
    52,067.57x = 78,082.52 × 18,778.69
  4. Step 4: Simplify right side
    52,067.57x = 1,466,287,343.61
  5. Step 5: Solve for x
    x = 1,466,287,343.61/52,067.57
  6. Step 6: Final answer
    x = 28,161.24

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1.5x scale

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.