Home / 57,531.24-86,294.80-20,091.17

Finding the Fourth Proportional to 57,531.24, 86,294.80 and 20,091.17

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Solution

The fourth proportional to 57,531.24, 86,294.80 and 20,091.17 is: 30,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,531.24 : 86,294.80 = 20,091.17 : x
  2. Step 2: Convert to fraction form
    57,531.24/86,294.80 = 20,091.17/x
  3. Step 3: Cross multiply
    57,531.24x = 86,294.80 × 20,091.17
  4. Step 4: Simplify right side
    57,531.24x = 1,733,763,496.92
  5. Step 5: Solve for x
    x = 1,733,763,496.92/57,531.24
  6. Step 6: Final answer
    x = 30,136.04

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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.