Home / 36,139.20-54,233.10-16,407.60

Finding the Fourth Proportional to 36,139.20, 54,233.10 and 16,407.60

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Solution

The fourth proportional to 36,139.20, 54,233.10 and 16,407.60 is: 24,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.20 : 54,233.10 = 16,407.60 : x
  2. Step 2: Convert to fraction form
    36,139.20/54,233.10 = 16,407.60/x
  3. Step 3: Cross multiply
    36,139.20x = 54,233.10 × 16,407.60
  4. Step 4: Simplify right side
    36,139.20x = 889,835,011.56
  5. Step 5: Solve for x
    x = 889,835,011.56/36,139.20
  6. Step 6: Final answer
    x = 24,622.43

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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.