Home / 55,892.26-77,131.85-30,398.88

Finding the Fourth Proportional to 55,892.26, 77,131.85 and 30,398.88

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Solution

The fourth proportional to 55,892.26, 77,131.85 and 30,398.88 is: 41,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,892.26 : 77,131.85 = 30,398.88 : x
  2. Step 2: Convert to fraction form
    55,892.26/77,131.85 = 30,398.88/x
  3. Step 3: Cross multiply
    55,892.26x = 77,131.85 × 30,398.88
  4. Step 4: Simplify right side
    55,892.26x = 2,344,721,852.33
  5. Step 5: Solve for x
    x = 2,344,721,852.33/55,892.26
  6. Step 6: Final answer
    x = 41,950.74

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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.