Home / 84,325.48-126,489.18-21,996.52

Finding the Fourth Proportional to 84,325.48, 126,489.18 and 21,996.52

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Solution

The fourth proportional to 84,325.48, 126,489.18 and 21,996.52 is: 32,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,325.48 : 126,489.18 = 21,996.52 : x
  2. Step 2: Convert to fraction form
    84,325.48/126,489.18 = 21,996.52/x
  3. Step 3: Cross multiply
    84,325.48x = 126,489.18 × 21,996.52
  4. Step 4: Simplify right side
    84,325.48x = 2,782,321,777.65
  5. Step 5: Solve for x
    x = 2,782,321,777.65/84,325.48
  6. Step 6: Final answer
    x = 32,995.03

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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.