Home / 57,185.52-85,683.43-40,462.66

Finding the Fourth Proportional to 57,185.52, 85,683.43 and 40,462.66

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Solution

The fourth proportional to 57,185.52, 85,683.43 and 40,462.66 is: 60,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,185.52 : 85,683.43 = 40,462.66 : x
  2. Step 2: Convert to fraction form
    57,185.52/85,683.43 = 40,462.66/x
  3. Step 3: Cross multiply
    57,185.52x = 85,683.43 × 40,462.66
  4. Step 4: Simplify right side
    57,185.52x = 3,466,979,495.72
  5. Step 5: Solve for x
    x = 3,466,979,495.72/57,185.52
  6. Step 6: Final answer
    x = 60,626.88

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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.