Home / 48,198.89-72,310.80-28,225.25

Finding the Fourth Proportional to 48,198.89, 72,310.80 and 28,225.25

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Solution

The fourth proportional to 48,198.89, 72,310.80 and 28,225.25 is: 42,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,198.89 : 72,310.80 = 28,225.25 : x
  2. Step 2: Convert to fraction form
    48,198.89/72,310.80 = 28,225.25/x
  3. Step 3: Cross multiply
    48,198.89x = 72,310.80 × 28,225.25
  4. Step 4: Simplify right side
    48,198.89x = 2,040,990,407.70
  5. Step 5: Solve for x
    x = 2,040,990,407.70/48,198.89
  6. Step 6: Final answer
    x = 42,345.17

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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.