Home / 55,110.56-76,049.36-29,959.84

Finding the Fourth Proportional to 55,110.56, 76,049.36 and 29,959.84

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Solution

The fourth proportional to 55,110.56, 76,049.36 and 29,959.84 is: 41,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.56 : 76,049.36 = 29,959.84 : x
  2. Step 2: Convert to fraction form
    55,110.56/76,049.36 = 29,959.84/x
  3. Step 3: Cross multiply
    55,110.56x = 76,049.36 × 29,959.84
  4. Step 4: Simplify right side
    55,110.56x = 2,278,426,657.70
  5. Step 5: Solve for x
    x = 2,278,426,657.70/55,110.56
  6. Step 6: Final answer
    x = 41,342.83

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1.5x scale

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.