Home / 50,440.70-75,659.43-20,849.78

Finding the Fourth Proportional to 50,440.70, 75,659.43 and 20,849.78

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Solution

The fourth proportional to 50,440.70, 75,659.43 and 20,849.78 is: 31,274.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,440.70 : 75,659.43 = 20,849.78 : x
  2. Step 2: Convert to fraction form
    50,440.70/75,659.43 = 20,849.78/x
  3. Step 3: Cross multiply
    50,440.70x = 75,659.43 × 20,849.78
  4. Step 4: Simplify right side
    50,440.70x = 1,577,482,470.43
  5. Step 5: Solve for x
    x = 1,577,482,470.43/50,440.70
  6. Step 6: Final answer
    x = 31,274.00

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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.