Home / 45,046.44-67,402.25-28,328.31

Finding the Fourth Proportional to 45,046.44, 67,402.25 and 28,328.31

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Solution

The fourth proportional to 45,046.44, 67,402.25 and 28,328.31 is: 42,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,046.44 : 67,402.25 = 28,328.31 : x
  2. Step 2: Convert to fraction form
    45,046.44/67,402.25 = 28,328.31/x
  3. Step 3: Cross multiply
    45,046.44x = 67,402.25 × 28,328.31
  4. Step 4: Simplify right side
    45,046.44x = 1,909,391,691.06
  5. Step 5: Solve for x
    x = 1,909,391,691.06/45,046.44
  6. Step 6: Final answer
    x = 42,387.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.