Home / 57,002.64-85,521.26-40,394.80

Finding the Fourth Proportional to 57,002.64, 85,521.26 and 40,394.80

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Solution

The fourth proportional to 57,002.64, 85,521.26 and 40,394.80 is: 60,604.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,002.64 : 85,521.26 = 40,394.80 : x
  2. Step 2: Convert to fraction form
    57,002.64/85,521.26 = 40,394.80/x
  3. Step 3: Cross multiply
    57,002.64x = 85,521.26 × 40,394.80
  4. Step 4: Simplify right side
    57,002.64x = 3,454,614,193.45
  5. Step 5: Solve for x
    x = 3,454,614,193.45/57,002.64
  6. Step 6: Final answer
    x = 60,604.46

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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.