Home / 57,213.68-85,785.75-25,617.87

Finding the Fourth Proportional to 57,213.68, 85,785.75 and 25,617.87

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Solution

The fourth proportional to 57,213.68, 85,785.75 and 25,617.87 is: 38,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,213.68 : 85,785.75 = 25,617.87 : x
  2. Step 2: Convert to fraction form
    57,213.68/85,785.75 = 25,617.87/x
  3. Step 3: Cross multiply
    57,213.68x = 85,785.75 × 25,617.87
  4. Step 4: Simplify right side
    57,213.68x = 2,197,648,191.35
  5. Step 5: Solve for x
    x = 2,197,648,191.35/57,213.68
  6. Step 6: Final answer
    x = 38,411.24

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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.