Home / 57,546.14-86,229.68-21,988.07

Finding the Fourth Proportional to 57,546.14, 86,229.68 and 21,988.07

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Solution

The fourth proportional to 57,546.14, 86,229.68 and 21,988.07 is: 32,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,546.14 : 86,229.68 = 21,988.07 : x
  2. Step 2: Convert to fraction form
    57,546.14/86,229.68 = 21,988.07/x
  3. Step 3: Cross multiply
    57,546.14x = 86,229.68 × 21,988.07
  4. Step 4: Simplify right side
    57,546.14x = 1,896,024,239.92
  5. Step 5: Solve for x
    x = 1,896,024,239.92/57,546.14
  6. Step 6: Final answer
    x = 32,947.90

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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.