Home / 62,687.28-94,031.24-21,134.64

Finding the Fourth Proportional to 62,687.28, 94,031.24 and 21,134.64

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Solution

The fourth proportional to 62,687.28, 94,031.24 and 21,134.64 is: 31,702.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,687.28 : 94,031.24 = 21,134.64 : x
  2. Step 2: Convert to fraction form
    62,687.28/94,031.24 = 21,134.64/x
  3. Step 3: Cross multiply
    62,687.28x = 94,031.24 × 21,134.64
  4. Step 4: Simplify right side
    62,687.28x = 1,987,316,406.15
  5. Step 5: Solve for x
    x = 1,987,316,406.15/62,687.28
  6. Step 6: Final answer
    x = 31,702.07

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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.