Home / 55,013.44-82,517.40-30,102.16

Finding the Fourth Proportional to 55,013.44, 82,517.40 and 30,102.16

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Solution

The fourth proportional to 55,013.44, 82,517.40 and 30,102.16 is: 45,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013.44 : 82,517.40 = 30,102.16 : x
  2. Step 2: Convert to fraction form
    55,013.44/82,517.40 = 30,102.16/x
  3. Step 3: Cross multiply
    55,013.44x = 82,517.40 × 30,102.16
  4. Step 4: Simplify right side
    55,013.44x = 2,483,951,977.58
  5. Step 5: Solve for x
    x = 2,483,951,977.58/55,013.44
  6. Step 6: Final answer
    x = 45,151.73

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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.