Home / 51,513.14-77,119.04-39,082.20

Finding the Fourth Proportional to 51,513.14, 77,119.04 and 39,082.20

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Solution

The fourth proportional to 51,513.14, 77,119.04 and 39,082.20 is: 58,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,513.14 : 77,119.04 = 39,082.20 : x
  2. Step 2: Convert to fraction form
    51,513.14/77,119.04 = 39,082.20/x
  3. Step 3: Cross multiply
    51,513.14x = 77,119.04 × 39,082.20
  4. Step 4: Simplify right side
    51,513.14x = 3,013,981,745.09
  5. Step 5: Solve for x
    x = 3,013,981,745.09/51,513.14
  6. Step 6: Final answer
    x = 58,508.99

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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.