Home / 57,008.43-85,529.79-40,400.46

Finding the Fourth Proportional to 57,008.43, 85,529.79 and 40,400.46

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Solution

The fourth proportional to 57,008.43, 85,529.79 and 40,400.46 is: 60,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,008.43 : 85,529.79 = 40,400.46 : x
  2. Step 2: Convert to fraction form
    57,008.43/85,529.79 = 40,400.46/x
  3. Step 3: Cross multiply
    57,008.43x = 85,529.79 × 40,400.46
  4. Step 4: Simplify right side
    57,008.43x = 3,455,442,859.70
  5. Step 5: Solve for x
    x = 3,455,442,859.70/57,008.43
  6. Step 6: Final answer
    x = 60,612.84

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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.