Home / 50,521.28-69,720-29,301.44

Finding the Fourth Proportional to 50,521.28, 69,720 and 29,301.44

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Solution

The fourth proportional to 50,521.28, 69,720 and 29,301.44 is: 40,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,521.28 : 69,720 = 29,301.44 : x
  2. Step 2: Convert to fraction form
    50,521.28/69,720 = 29,301.44/x
  3. Step 3: Cross multiply
    50,521.28x = 69,720 × 29,301.44
  4. Step 4: Simplify right side
    50,521.28x = 2,042,896,396.80
  5. Step 5: Solve for x
    x = 2,042,896,396.80/50,521.28
  6. Step 6: Final answer
    x = 40,436.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.