Home / 57,003.64-85,522.76-40,395.80

Finding the Fourth Proportional to 57,003.64, 85,522.76 and 40,395.80

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Solution

The fourth proportional to 57,003.64, 85,522.76 and 40,395.80 is: 60,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.64 : 85,522.76 = 40,395.80 : x
  2. Step 2: Convert to fraction form
    57,003.64/85,522.76 = 40,395.80/x
  3. Step 3: Cross multiply
    57,003.64x = 85,522.76 × 40,395.80
  4. Step 4: Simplify right side
    57,003.64x = 3,454,760,308.41
  5. Step 5: Solve for x
    x = 3,454,760,308.41/57,003.64
  6. Step 6: Final answer
    x = 60,605.96

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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.