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Finding the Fourth Proportional to 55,191.66, 82,801.48 and 15,748.92

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Solution

The fourth proportional to 55,191.66, 82,801.48 and 15,748.92 is: 23,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.66 : 82,801.48 = 15,748.92 : x
  2. Step 2: Convert to fraction form
    55,191.66/82,801.48 = 15,748.92/x
  3. Step 3: Cross multiply
    55,191.66x = 82,801.48 × 15,748.92
  4. Step 4: Simplify right side
    55,191.66x = 1,304,033,884.40
  5. Step 5: Solve for x
    x = 1,304,033,884.40/55,191.66
  6. Step 6: Final answer
    x = 23,627.37

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1.5x scale

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.