Home / 57,386.22-79,192.92-31,891.78

Finding the Fourth Proportional to 57,386.22, 79,192.92 and 31,891.78

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Solution

The fourth proportional to 57,386.22, 79,192.92 and 31,891.78 is: 44,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,386.22 : 79,192.92 = 31,891.78 : x
  2. Step 2: Convert to fraction form
    57,386.22/79,192.92 = 31,891.78/x
  3. Step 3: Cross multiply
    57,386.22x = 79,192.92 × 31,891.78
  4. Step 4: Simplify right side
    57,386.22x = 2,525,603,022.74
  5. Step 5: Solve for x
    x = 2,525,603,022.74/57,386.22
  6. Step 6: Final answer
    x = 44,010.62

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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.