Home / 48,300.38-72,470.52-21,268.85

Finding the Fourth Proportional to 48,300.38, 72,470.52 and 21,268.85

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Solution

The fourth proportional to 48,300.38, 72,470.52 and 21,268.85 is: 31,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,300.38 : 72,470.52 = 21,268.85 : x
  2. Step 2: Convert to fraction form
    48,300.38/72,470.52 = 21,268.85/x
  3. Step 3: Cross multiply
    48,300.38x = 72,470.52 × 21,268.85
  4. Step 4: Simplify right side
    48,300.38x = 1,541,364,619.30
  5. Step 5: Solve for x
    x = 1,541,364,619.30/48,300.38
  6. Step 6: Final answer
    x = 31,912.06

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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.