Home / 57,013.12-78,680.31-37,859.86

Finding the Fourth Proportional to 57,013.12, 78,680.31 and 37,859.86

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Solution

The fourth proportional to 57,013.12, 78,680.31 and 37,859.86 is: 52,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,013.12 : 78,680.31 = 37,859.86 : x
  2. Step 2: Convert to fraction form
    57,013.12/78,680.31 = 37,859.86/x
  3. Step 3: Cross multiply
    57,013.12x = 78,680.31 × 37,859.86
  4. Step 4: Simplify right side
    57,013.12x = 2,978,825,248.12
  5. Step 5: Solve for x
    x = 2,978,825,248.12/57,013.12
  6. Step 6: Final answer
    x = 52,248.07

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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.