Home / 57,001.74-85,519.92-30,343.20

Finding the Fourth Proportional to 57,001.74, 85,519.92 and 30,343.20

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Solution

The fourth proportional to 57,001.74, 85,519.92 and 30,343.20 is: 45,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,001.74 : 85,519.92 = 30,343.20 : x
  2. Step 2: Convert to fraction form
    57,001.74/85,519.92 = 30,343.20/x
  3. Step 3: Cross multiply
    57,001.74x = 85,519.92 × 30,343.20
  4. Step 4: Simplify right side
    57,001.74x = 2,594,948,036.54
  5. Step 5: Solve for x
    x = 2,594,948,036.54/57,001.74
  6. Step 6: Final answer
    x = 45,524.01

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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.