Home / 57,213.72-85,785.84-25,617.78

Finding the Fourth Proportional to 57,213.72, 85,785.84 and 25,617.78

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Solution

The fourth proportional to 57,213.72, 85,785.84 and 25,617.78 is: 38,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,213.72 : 85,785.84 = 25,617.78 : x
  2. Step 2: Convert to fraction form
    57,213.72/85,785.84 = 25,617.78/x
  3. Step 3: Cross multiply
    57,213.72x = 85,785.84 × 25,617.78
  4. Step 4: Simplify right side
    57,213.72x = 2,197,642,776.24
  5. Step 5: Solve for x
    x = 2,197,642,776.24/57,213.72
  6. Step 6: Final answer
    x = 38,411.11

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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.