Home / 49,359.71-74,019.18-18,960.26

Finding the Fourth Proportional to 49,359.71, 74,019.18 and 18,960.26

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Solution

The fourth proportional to 49,359.71, 74,019.18 and 18,960.26 is: 28,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,359.71 : 74,019.18 = 18,960.26 : x
  2. Step 2: Convert to fraction form
    49,359.71/74,019.18 = 18,960.26/x
  3. Step 3: Cross multiply
    49,359.71x = 74,019.18 × 18,960.26
  4. Step 4: Simplify right side
    49,359.71x = 1,403,422,527.69
  5. Step 5: Solve for x
    x = 1,403,422,527.69/49,359.71
  6. Step 6: Final answer
    x = 28,432.56

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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.