Home / 48,087.68-66,382.08-28,976

Finding the Fourth Proportional to 48,087.68, 66,382.08 and 28,976

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Solution

The fourth proportional to 48,087.68, 66,382.08 and 28,976 is: 39,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.68 : 66,382.08 = 28,976 : x
  2. Step 2: Convert to fraction form
    48,087.68/66,382.08 = 28,976/x
  3. Step 3: Cross multiply
    48,087.68x = 66,382.08 × 28,976
  4. Step 4: Simplify right side
    48,087.68x = 1,923,487,150.08
  5. Step 5: Solve for x
    x = 1,923,487,150.08/48,087.68
  6. Step 6: Final answer
    x = 39,999.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.