Home / 49,470.12-74,217.24-14,409.54

Finding the Fourth Proportional to 49,470.12, 74,217.24 and 14,409.54

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Solution

The fourth proportional to 49,470.12, 74,217.24 and 14,409.54 is: 21,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,470.12 : 74,217.24 = 14,409.54 : x
  2. Step 2: Convert to fraction form
    49,470.12/74,217.24 = 14,409.54/x
  3. Step 3: Cross multiply
    49,470.12x = 74,217.24 × 14,409.54
  4. Step 4: Simplify right side
    49,470.12x = 1,069,436,288.47
  5. Step 5: Solve for x
    x = 1,069,436,288.47/49,470.12
  6. Step 6: Final answer
    x = 21,617.82

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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.