Home / 55,553.24-76,663.41-31,359.29

Finding the Fourth Proportional to 55,553.24, 76,663.41 and 31,359.29

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Solution

The fourth proportional to 55,553.24, 76,663.41 and 31,359.29 is: 43,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.24 : 76,663.41 = 31,359.29 : x
  2. Step 2: Convert to fraction form
    55,553.24/76,663.41 = 31,359.29/x
  3. Step 3: Cross multiply
    55,553.24x = 76,663.41 × 31,359.29
  4. Step 4: Simplify right side
    55,553.24x = 2,404,109,723.26
  5. Step 5: Solve for x
    x = 2,404,109,723.26/55,553.24
  6. Step 6: Final answer
    x = 43,275.78

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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.