Home / 63,412.47-87,511.19-35,120.79

Finding the Fourth Proportional to 63,412.47, 87,511.19 and 35,120.79

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Solution

The fourth proportional to 63,412.47, 87,511.19 and 35,120.79 is: 48,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,412.47 : 87,511.19 = 35,120.79 : x
  2. Step 2: Convert to fraction form
    63,412.47/87,511.19 = 35,120.79/x
  3. Step 3: Cross multiply
    63,412.47x = 87,511.19 × 35,120.79
  4. Step 4: Simplify right side
    63,412.47x = 3,073,461,951.04
  5. Step 5: Solve for x
    x = 3,073,461,951.04/63,412.47
  6. Step 6: Final answer
    x = 48,467.78

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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.