Home / 48,458.75-72,721.33-18,876.74

Finding the Fourth Proportional to 48,458.75, 72,721.33 and 18,876.74

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Solution

The fourth proportional to 48,458.75, 72,721.33 and 18,876.74 is: 28,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458.75 : 72,721.33 = 18,876.74 : x
  2. Step 2: Convert to fraction form
    48,458.75/72,721.33 = 18,876.74/x
  3. Step 3: Cross multiply
    48,458.75x = 72,721.33 × 18,876.74
  4. Step 4: Simplify right side
    48,458.75x = 1,372,741,228.07
  5. Step 5: Solve for x
    x = 1,372,741,228.07/48,458.75
  6. Step 6: Final answer
    x = 28,328.04

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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.