Home / 38,697.92-58,063.28-21,147.24

Finding the Fourth Proportional to 38,697.92, 58,063.28 and 21,147.24

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Solution

The fourth proportional to 38,697.92, 58,063.28 and 21,147.24 is: 31,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,697.92 : 58,063.28 = 21,147.24 : x
  2. Step 2: Convert to fraction form
    38,697.92/58,063.28 = 21,147.24/x
  3. Step 3: Cross multiply
    38,697.92x = 58,063.28 × 21,147.24
  4. Step 4: Simplify right side
    38,697.92x = 1,227,878,117.35
  5. Step 5: Solve for x
    x = 1,227,878,117.35/38,697.92
  6. Step 6: Final answer
    x = 31,729.82

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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.