Home / 55,449.76-76,520.56-31,576.44

Finding the Fourth Proportional to 55,449.76, 76,520.56 and 31,576.44

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Solution

The fourth proportional to 55,449.76, 76,520.56 and 31,576.44 is: 43,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.76 : 76,520.56 = 31,576.44 : x
  2. Step 2: Convert to fraction form
    55,449.76/76,520.56 = 31,576.44/x
  3. Step 3: Cross multiply
    55,449.76x = 76,520.56 × 31,576.44
  4. Step 4: Simplify right side
    55,449.76x = 2,416,246,871.61
  5. Step 5: Solve for x
    x = 2,416,246,871.61/55,449.76
  6. Step 6: Final answer
    x = 43,575.43

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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.