Home / 55,111.13-76,053.89-29,961.17

Finding the Fourth Proportional to 55,111.13, 76,053.89 and 29,961.17

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Solution

The fourth proportional to 55,111.13, 76,053.89 and 29,961.17 is: 41,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,111.13 : 76,053.89 = 29,961.17 : x
  2. Step 2: Convert to fraction form
    55,111.13/76,053.89 = 29,961.17/x
  3. Step 3: Cross multiply
    55,111.13x = 76,053.89 × 29,961.17
  4. Step 4: Simplify right side
    55,111.13x = 2,278,663,222.08
  5. Step 5: Solve for x
    x = 2,278,663,222.08/55,111.13
  6. Step 6: Final answer
    x = 41,346.70

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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.