Home / 55,171.56-82,798.92-40,418.28

Finding the Fourth Proportional to 55,171.56, 82,798.92 and 40,418.28

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Solution

The fourth proportional to 55,171.56, 82,798.92 and 40,418.28 is: 60,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,171.56 : 82,798.92 = 40,418.28 : x
  2. Step 2: Convert to fraction form
    55,171.56/82,798.92 = 40,418.28/x
  3. Step 3: Cross multiply
    55,171.56x = 82,798.92 × 40,418.28
  4. Step 4: Simplify right side
    55,171.56x = 3,346,589,932.26
  5. Step 5: Solve for x
    x = 3,346,589,932.26/55,171.56
  6. Step 6: Final answer
    x = 60,657.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.