Home / 57,221.06-85,736.55-40,498.34

Finding the Fourth Proportional to 57,221.06, 85,736.55 and 40,498.34

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Solution

The fourth proportional to 57,221.06, 85,736.55 and 40,498.34 is: 60,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221.06 : 85,736.55 = 40,498.34 : x
  2. Step 2: Convert to fraction form
    57,221.06/85,736.55 = 40,498.34/x
  3. Step 3: Cross multiply
    57,221.06x = 85,736.55 × 40,498.34
  4. Step 4: Simplify right side
    57,221.06x = 3,472,187,952.33
  5. Step 5: Solve for x
    x = 3,472,187,952.33/57,221.06
  6. Step 6: Final answer
    x = 60,680.25

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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.