Home / 63,665.29-95,438.58-21,515.90

Finding the Fourth Proportional to 63,665.29, 95,438.58 and 21,515.90

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Solution

The fourth proportional to 63,665.29, 95,438.58 and 21,515.90 is: 32,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,665.29 : 95,438.58 = 21,515.90 : x
  2. Step 2: Convert to fraction form
    63,665.29/95,438.58 = 21,515.90/x
  3. Step 3: Cross multiply
    63,665.29x = 95,438.58 × 21,515.90
  4. Step 4: Simplify right side
    63,665.29x = 2,053,447,043.41
  5. Step 5: Solve for x
    x = 2,053,447,043.41/63,665.29
  6. Step 6: Final answer
    x = 32,253.79

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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.