Home / 57,204.44-78,854.61-40,160.87

Finding the Fourth Proportional to 57,204.44, 78,854.61 and 40,160.87

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Solution

The fourth proportional to 57,204.44, 78,854.61 and 40,160.87 is: 55,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,204.44 : 78,854.61 = 40,160.87 : x
  2. Step 2: Convert to fraction form
    57,204.44/78,854.61 = 40,160.87/x
  3. Step 3: Cross multiply
    57,204.44x = 78,854.61 × 40,160.87
  4. Step 4: Simplify right side
    57,204.44x = 3,166,869,741.11
  5. Step 5: Solve for x
    x = 3,166,869,741.11/57,204.44
  6. Step 6: Final answer
    x = 55,360.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.