Home / 57,126.15-78,833.09-31,632

Finding the Fourth Proportional to 57,126.15, 78,833.09 and 31,632

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Solution

The fourth proportional to 57,126.15, 78,833.09 and 31,632 is: 43,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.15 : 78,833.09 = 31,632 : x
  2. Step 2: Convert to fraction form
    57,126.15/78,833.09 = 31,632/x
  3. Step 3: Cross multiply
    57,126.15x = 78,833.09 × 31,632
  4. Step 4: Simplify right side
    57,126.15x = 2,493,648,144.72
  5. Step 5: Solve for x
    x = 2,493,648,144.72/57,126.15
  6. Step 6: Final answer
    x = 43,651.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.