Home / 63,449.33-87,555.98-34,768.64

Finding the Fourth Proportional to 63,449.33, 87,555.98 and 34,768.64

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Solution

The fourth proportional to 63,449.33, 87,555.98 and 34,768.64 is: 47,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,449.33 : 87,555.98 = 34,768.64 : x
  2. Step 2: Convert to fraction form
    63,449.33/87,555.98 = 34,768.64/x
  3. Step 3: Cross multiply
    63,449.33x = 87,555.98 × 34,768.64
  4. Step 4: Simplify right side
    63,449.33x = 3,044,202,654.28
  5. Step 5: Solve for x
    x = 3,044,202,654.28/63,449.33
  6. Step 6: Final answer
    x = 47,978.49

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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.