Home / 48,291.75-66,639.88-28,151.91

Finding the Fourth Proportional to 48,291.75, 66,639.88 and 28,151.91

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Solution

The fourth proportional to 48,291.75, 66,639.88 and 28,151.91 is: 38,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291.75 : 66,639.88 = 28,151.91 : x
  2. Step 2: Convert to fraction form
    48,291.75/66,639.88 = 28,151.91/x
  3. Step 3: Cross multiply
    48,291.75x = 66,639.88 × 28,151.91
  4. Step 4: Simplify right side
    48,291.75x = 1,876,039,570.97
  5. Step 5: Solve for x
    x = 1,876,039,570.97/48,291.75
  6. Step 6: Final answer
    x = 38,848.04

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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.