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Finding the Fourth Proportional to 55,591.62, 83,282.80 and 27,478.77

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Solution

The fourth proportional to 55,591.62, 83,282.80 and 27,478.77 is: 41,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,591.62 : 83,282.80 = 27,478.77 : x
  2. Step 2: Convert to fraction form
    55,591.62/83,282.80 = 27,478.77/x
  3. Step 3: Cross multiply
    55,591.62x = 83,282.80 × 27,478.77
  4. Step 4: Simplify right side
    55,591.62x = 2,288,508,525.15
  5. Step 5: Solve for x
    x = 2,288,508,525.15/55,591.62
  6. Step 6: Final answer
    x = 41,166.43

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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.