Home / 63,627.12-87,849.36-39,764.52

Finding the Fourth Proportional to 63,627.12, 87,849.36 and 39,764.52

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Solution

The fourth proportional to 63,627.12, 87,849.36 and 39,764.52 is: 54,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,627.12 : 87,849.36 = 39,764.52 : x
  2. Step 2: Convert to fraction form
    63,627.12/87,849.36 = 39,764.52/x
  3. Step 3: Cross multiply
    63,627.12x = 87,849.36 × 39,764.52
  4. Step 4: Simplify right side
    63,627.12x = 3,493,287,632.71
  5. Step 5: Solve for x
    x = 3,493,287,632.71/63,627.12
  6. Step 6: Final answer
    x = 54,902.49

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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.