Home / 49,629.28-74,424.48-18,454.72

Finding the Fourth Proportional to 49,629.28, 74,424.48 and 18,454.72

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Solution

The fourth proportional to 49,629.28, 74,424.48 and 18,454.72 is: 27,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,629.28 : 74,424.48 = 18,454.72 : x
  2. Step 2: Convert to fraction form
    49,629.28/74,424.48 = 18,454.72/x
  3. Step 3: Cross multiply
    49,629.28x = 74,424.48 × 18,454.72
  4. Step 4: Simplify right side
    49,629.28x = 1,373,482,939.55
  5. Step 5: Solve for x
    x = 1,373,482,939.55/49,629.28
  6. Step 6: Final answer
    x = 27,674.85

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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.