Home / 42,136.11-63,151.52-21,082.19

Finding the Fourth Proportional to 42,136.11, 63,151.52 and 21,082.19

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Solution

The fourth proportional to 42,136.11, 63,151.52 and 21,082.19 is: 31,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.11 : 63,151.52 = 21,082.19 : x
  2. Step 2: Convert to fraction form
    42,136.11/63,151.52 = 21,082.19/x
  3. Step 3: Cross multiply
    42,136.11x = 63,151.52 × 21,082.19
  4. Step 4: Simplify right side
    42,136.11x = 1,331,371,922.26
  5. Step 5: Solve for x
    x = 1,331,371,922.26/42,136.11
  6. Step 6: Final answer
    x = 31,596.93

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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.