Home / 55,564.22-76,677.84-31,691.28

Finding the Fourth Proportional to 55,564.22, 76,677.84 and 31,691.28

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Solution

The fourth proportional to 55,564.22, 76,677.84 and 31,691.28 is: 43,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,564.22 : 76,677.84 = 31,691.28 : x
  2. Step 2: Convert to fraction form
    55,564.22/76,677.84 = 31,691.28/x
  3. Step 3: Cross multiply
    55,564.22x = 76,677.84 × 31,691.28
  4. Step 4: Simplify right side
    55,564.22x = 2,430,018,897.24
  5. Step 5: Solve for x
    x = 2,430,018,897.24/55,564.22
  6. Step 6: Final answer
    x = 43,733.52

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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.