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Finding the Fourth Proportional to 48,010.32, 72,016.80 and 12,949.88

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Solution

The fourth proportional to 48,010.32, 72,016.80 and 12,949.88 is: 19,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,010.32 : 72,016.80 = 12,949.88 : x
  2. Step 2: Convert to fraction form
    48,010.32/72,016.80 = 12,949.88/x
  3. Step 3: Cross multiply
    48,010.32x = 72,016.80 × 12,949.88
  4. Step 4: Simplify right side
    48,010.32x = 932,608,509.34
  5. Step 5: Solve for x
    x = 932,608,509.34/48,010.32
  6. Step 6: Final answer
    x = 19,425.17

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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.