Home / 63,664.98-95,438.11-21,515.59

Finding the Fourth Proportional to 63,664.98, 95,438.11 and 21,515.59

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Solution

The fourth proportional to 63,664.98, 95,438.11 and 21,515.59 is: 32,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,664.98 : 95,438.11 = 21,515.59 : x
  2. Step 2: Convert to fraction form
    63,664.98/95,438.11 = 21,515.59/x
  3. Step 3: Cross multiply
    63,664.98x = 95,438.11 × 21,515.59
  4. Step 4: Simplify right side
    63,664.98x = 2,053,407,060.33
  5. Step 5: Solve for x
    x = 2,053,407,060.33/63,664.98
  6. Step 6: Final answer
    x = 32,253.32

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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.