Home / 84,384.30-126,601.86-25,221.90

Finding the Fourth Proportional to 84,384.30, 126,601.86 and 25,221.90

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Solution

The fourth proportional to 84,384.30, 126,601.86 and 25,221.90 is: 37,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,384.30 : 126,601.86 = 25,221.90 : x
  2. Step 2: Convert to fraction form
    84,384.30/126,601.86 = 25,221.90/x
  3. Step 3: Cross multiply
    84,384.30x = 126,601.86 × 25,221.90
  4. Step 4: Simplify right side
    84,384.30x = 3,193,139,452.73
  5. Step 5: Solve for x
    x = 3,193,139,452.73/84,384.30
  6. Step 6: Final answer
    x = 37,840.44

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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.