Home / 45,348.52-67,945.98-27,781.72

Finding the Fourth Proportional to 45,348.52, 67,945.98 and 27,781.72

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Solution

The fourth proportional to 45,348.52, 67,945.98 and 27,781.72 is: 41,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,348.52 : 67,945.98 = 27,781.72 : x
  2. Step 2: Convert to fraction form
    45,348.52/67,945.98 = 27,781.72/x
  3. Step 3: Cross multiply
    45,348.52x = 67,945.98 × 27,781.72
  4. Step 4: Simplify right side
    45,348.52x = 1,887,656,191.49
  5. Step 5: Solve for x
    x = 1,887,656,191.49/45,348.52
  6. Step 6: Final answer
    x = 41,625.53

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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.