Home / 55,546.72-76,656-31,677.28

Finding the Fourth Proportional to 55,546.72, 76,656 and 31,677.28

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Solution

The fourth proportional to 55,546.72, 76,656 and 31,677.28 is: 43,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,546.72 : 76,656 = 31,677.28 : x
  2. Step 2: Convert to fraction form
    55,546.72/76,656 = 31,677.28/x
  3. Step 3: Cross multiply
    55,546.72x = 76,656 × 31,677.28
  4. Step 4: Simplify right side
    55,546.72x = 2,428,253,575.68
  5. Step 5: Solve for x
    x = 2,428,253,575.68/55,546.72
  6. Step 6: Final answer
    x = 43,715.52

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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.