Home / 63,021.44-86,966.15-39,147.68

Finding the Fourth Proportional to 63,021.44, 86,966.15 and 39,147.68

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Solution

The fourth proportional to 63,021.44, 86,966.15 and 39,147.68 is: 54,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021.44 : 86,966.15 = 39,147.68 : x
  2. Step 2: Convert to fraction form
    63,021.44/86,966.15 = 39,147.68/x
  3. Step 3: Cross multiply
    63,021.44x = 86,966.15 × 39,147.68
  4. Step 4: Simplify right side
    63,021.44x = 3,404,522,380.46
  5. Step 5: Solve for x
    x = 3,404,522,380.46/63,021.44
  6. Step 6: Final answer
    x = 54,021.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.