Home / 57,049.20-85,587.12-19,607.76

Finding the Fourth Proportional to 57,049.20, 85,587.12 and 19,607.76

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Solution

The fourth proportional to 57,049.20, 85,587.12 and 19,607.76 is: 29,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,049.20 : 85,587.12 = 19,607.76 : x
  2. Step 2: Convert to fraction form
    57,049.20/85,587.12 = 19,607.76/x
  3. Step 3: Cross multiply
    57,049.20x = 85,587.12 × 19,607.76
  4. Step 4: Simplify right side
    57,049.20x = 1,678,171,708.05
  5. Step 5: Solve for x
    x = 1,678,171,708.05/57,049.20
  6. Step 6: Final answer
    x = 29,416.22

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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.