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Finding the Fourth Proportional to 57,550.70, 79,459.11 and 36,049.32

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Solution

The fourth proportional to 57,550.70, 79,459.11 and 36,049.32 is: 49,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,550.70 : 79,459.11 = 36,049.32 : x
  2. Step 2: Convert to fraction form
    57,550.70/79,459.11 = 36,049.32/x
  3. Step 3: Cross multiply
    57,550.70x = 79,459.11 × 36,049.32
  4. Step 4: Simplify right side
    57,550.70x = 2,864,446,883.31
  5. Step 5: Solve for x
    x = 2,864,446,883.31/57,550.70
  6. Step 6: Final answer
    x = 49,772.59

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1.5x scale

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.