Home / 52,721.20-79,082.70-19,424.13

Finding the Fourth Proportional to 52,721.20, 79,082.70 and 19,424.13

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Solution

The fourth proportional to 52,721.20, 79,082.70 and 19,424.13 is: 29,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721.20 : 79,082.70 = 19,424.13 : x
  2. Step 2: Convert to fraction form
    52,721.20/79,082.70 = 19,424.13/x
  3. Step 3: Cross multiply
    52,721.20x = 79,082.70 × 19,424.13
  4. Step 4: Simplify right side
    52,721.20x = 1,536,112,645.55
  5. Step 5: Solve for x
    x = 1,536,112,645.55/52,721.20
  6. Step 6: Final answer
    x = 29,136.53

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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.