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Finding the Fourth Proportional to 63,642.62, 95,418.50 and 29,889.79

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Solution

The fourth proportional to 63,642.62, 95,418.50 and 29,889.79 is: 44,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,642.62 : 95,418.50 = 29,889.79 : x
  2. Step 2: Convert to fraction form
    63,642.62/95,418.50 = 29,889.79/x
  3. Step 3: Cross multiply
    63,642.62x = 95,418.50 × 29,889.79
  4. Step 4: Simplify right side
    63,642.62x = 2,852,038,539.12
  5. Step 5: Solve for x
    x = 2,852,038,539.12/63,642.62
  6. Step 6: Final answer
    x = 44,813.34

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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.