Home / 55,115.17-76,059.45-29,965.21

Finding the Fourth Proportional to 55,115.17, 76,059.45 and 29,965.21

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Solution

The fourth proportional to 55,115.17, 76,059.45 and 29,965.21 is: 41,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,115.17 : 76,059.45 = 29,965.21 : x
  2. Step 2: Convert to fraction form
    55,115.17/76,059.45 = 29,965.21/x
  3. Step 3: Cross multiply
    55,115.17x = 76,059.45 × 29,965.21
  4. Step 4: Simplify right side
    55,115.17x = 2,279,137,201.59
  5. Step 5: Solve for x
    x = 2,279,137,201.59/55,115.17
  6. Step 6: Final answer
    x = 41,352.27

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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.