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Finding the Fourth Proportional to 47,894.65, 66,094.72 and 27,755.42

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Solution

The fourth proportional to 47,894.65, 66,094.72 and 27,755.42 is: 38,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894.65 : 66,094.72 = 27,755.42 : x
  2. Step 2: Convert to fraction form
    47,894.65/66,094.72 = 27,755.42/x
  3. Step 3: Cross multiply
    47,894.65x = 66,094.72 × 27,755.42
  4. Step 4: Simplify right side
    47,894.65x = 1,834,486,313.52
  5. Step 5: Solve for x
    x = 1,834,486,313.52/47,894.65
  6. Step 6: Final answer
    x = 38,302.53

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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.