Home / 63,285.98-87,331.44-34,986.20

Finding the Fourth Proportional to 63,285.98, 87,331.44 and 34,986.20

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Solution

The fourth proportional to 63,285.98, 87,331.44 and 34,986.20 is: 48,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,285.98 : 87,331.44 = 34,986.20 : x
  2. Step 2: Convert to fraction form
    63,285.98/87,331.44 = 34,986.20/x
  3. Step 3: Cross multiply
    63,285.98x = 87,331.44 × 34,986.20
  4. Step 4: Simplify right side
    63,285.98x = 3,055,394,789.47
  5. Step 5: Solve for x
    x = 3,055,394,789.47/63,285.98
  6. Step 6: Final answer
    x = 48,279.18

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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.