Home / 57,279.11-85,946.00-27,680.49

Finding the Fourth Proportional to 57,279.11, 85,946.00 and 27,680.49

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Solution

The fourth proportional to 57,279.11, 85,946.00 and 27,680.49 is: 41,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,279.11 : 85,946.00 = 27,680.49 : x
  2. Step 2: Convert to fraction form
    57,279.11/85,946.00 = 27,680.49/x
  3. Step 3: Cross multiply
    57,279.11x = 85,946.00 × 27,680.49
  4. Step 4: Simplify right side
    57,279.11x = 2,379,027,255.14
  5. Step 5: Solve for x
    x = 2,379,027,255.14/57,279.11
  6. Step 6: Final answer
    x = 41,533.95

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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.