Home / 57,170.68-85,758.32-15,617.56

Finding the Fourth Proportional to 57,170.68, 85,758.32 and 15,617.56

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Solution

The fourth proportional to 57,170.68, 85,758.32 and 15,617.56 is: 23,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.68 : 85,758.32 = 15,617.56 : x
  2. Step 2: Convert to fraction form
    57,170.68/85,758.32 = 15,617.56/x
  3. Step 3: Cross multiply
    57,170.68x = 85,758.32 × 15,617.56
  4. Step 4: Simplify right side
    57,170.68x = 1,339,335,708.10
  5. Step 5: Solve for x
    x = 1,339,335,708.10/57,170.68
  6. Step 6: Final answer
    x = 23,426.97

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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.