Home / 63,728.18-95,586.04-19,355.31

Finding the Fourth Proportional to 63,728.18, 95,586.04 and 19,355.31

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Solution

The fourth proportional to 63,728.18, 95,586.04 and 19,355.31 is: 29,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,728.18 : 95,586.04 = 19,355.31 : x
  2. Step 2: Convert to fraction form
    63,728.18/95,586.04 = 19,355.31/x
  3. Step 3: Cross multiply
    63,728.18x = 95,586.04 × 19,355.31
  4. Step 4: Simplify right side
    63,728.18x = 1,850,097,387.48
  5. Step 5: Solve for x
    x = 1,850,097,387.48/63,728.18
  6. Step 6: Final answer
    x = 29,031.07

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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.