Home / 49,571.20-74,227.20-31,945.60

Finding the Fourth Proportional to 49,571.20, 74,227.20 and 31,945.60

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Solution

The fourth proportional to 49,571.20, 74,227.20 and 31,945.60 is: 47,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,571.20 : 74,227.20 = 31,945.60 : x
  2. Step 2: Convert to fraction form
    49,571.20/74,227.20 = 31,945.60/x
  3. Step 3: Cross multiply
    49,571.20x = 74,227.20 × 31,945.60
  4. Step 4: Simplify right side
    49,571.20x = 2,371,232,440.32
  5. Step 5: Solve for x
    x = 2,371,232,440.32/49,571.20
  6. Step 6: Final answer
    x = 47,834.88

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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.