Home / 55,110.20-76,052.10-29,959.70

Finding the Fourth Proportional to 55,110.20, 76,052.10 and 29,959.70

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Solution

The fourth proportional to 55,110.20, 76,052.10 and 29,959.70 is: 41,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.20 : 76,052.10 = 29,959.70 : x
  2. Step 2: Convert to fraction form
    55,110.20/76,052.10 = 29,959.70/x
  3. Step 3: Cross multiply
    55,110.20x = 76,052.10 × 29,959.70
  4. Step 4: Simplify right side
    55,110.20x = 2,278,497,720.11
  5. Step 5: Solve for x
    x = 2,278,497,720.11/55,110.20
  6. Step 6: Final answer
    x = 41,344.40

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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.