Home / 56,440.43-77,872.29-34,919.84

Finding the Fourth Proportional to 56,440.43, 77,872.29 and 34,919.84

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Solution

The fourth proportional to 56,440.43, 77,872.29 and 34,919.84 is: 48,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.43 : 77,872.29 = 34,919.84 : x
  2. Step 2: Convert to fraction form
    56,440.43/77,872.29 = 34,919.84/x
  3. Step 3: Cross multiply
    56,440.43x = 77,872.29 × 34,919.84
  4. Step 4: Simplify right side
    56,440.43x = 2,719,287,517.87
  5. Step 5: Solve for x
    x = 2,719,287,517.87/56,440.43
  6. Step 6: Final answer
    x = 48,179.78

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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.