Home / 57,712.08-86,560.56-18,269.40

Finding the Fourth Proportional to 57,712.08, 86,560.56 and 18,269.40

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Solution

The fourth proportional to 57,712.08, 86,560.56 and 18,269.40 is: 27,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.08 : 86,560.56 = 18,269.40 : x
  2. Step 2: Convert to fraction form
    57,712.08/86,560.56 = 18,269.40/x
  3. Step 3: Cross multiply
    57,712.08x = 86,560.56 × 18,269.40
  4. Step 4: Simplify right side
    57,712.08x = 1,581,409,494.86
  5. Step 5: Solve for x
    x = 1,581,409,494.86/57,712.08
  6. Step 6: Final answer
    x = 27,401.71

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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.