Home / 57,966.20-86,906.76-18,500.56

Finding the Fourth Proportional to 57,966.20, 86,906.76 and 18,500.56

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Solution

The fourth proportional to 57,966.20, 86,906.76 and 18,500.56 is: 27,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,966.20 : 86,906.76 = 18,500.56 : x
  2. Step 2: Convert to fraction form
    57,966.20/86,906.76 = 18,500.56/x
  3. Step 3: Cross multiply
    57,966.20x = 86,906.76 × 18,500.56
  4. Step 4: Simplify right side
    57,966.20x = 1,607,823,727.79
  5. Step 5: Solve for x
    x = 1,607,823,727.79/57,966.20
  6. Step 6: Final answer
    x = 27,737.26

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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.