Home / 57,221.31-85,736.93-40,498.59

Finding the Fourth Proportional to 57,221.31, 85,736.93 and 40,498.59

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Solution

The fourth proportional to 57,221.31, 85,736.93 and 40,498.59 is: 60,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221.31 : 85,736.93 = 40,498.59 : x
  2. Step 2: Convert to fraction form
    57,221.31/85,736.93 = 40,498.59/x
  3. Step 3: Cross multiply
    57,221.31x = 85,736.93 × 40,498.59
  4. Step 4: Simplify right side
    57,221.31x = 3,472,224,573.44
  5. Step 5: Solve for x
    x = 3,472,224,573.44/57,221.31
  6. Step 6: Final answer
    x = 60,680.62

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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.