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Finding the Fourth Proportional to 48,896.48, 73,350.90 and 13,836.15

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Solution

The fourth proportional to 48,896.48, 73,350.90 and 13,836.15 is: 20,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,896.48 : 73,350.90 = 13,836.15 : x
  2. Step 2: Convert to fraction form
    48,896.48/73,350.90 = 13,836.15/x
  3. Step 3: Cross multiply
    48,896.48x = 73,350.90 × 13,836.15
  4. Step 4: Simplify right side
    48,896.48x = 1,014,894,055.04
  5. Step 5: Solve for x
    x = 1,014,894,055.04/48,896.48
  6. Step 6: Final answer
    x = 20,755.97

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1.5x scale

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.