Home / 47,270.97-70,906.25-13,991.18

Finding the Fourth Proportional to 47,270.97, 70,906.25 and 13,991.18

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Solution

The fourth proportional to 47,270.97, 70,906.25 and 13,991.18 is: 20,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,270.97 : 70,906.25 = 13,991.18 : x
  2. Step 2: Convert to fraction form
    47,270.97/70,906.25 = 13,991.18/x
  3. Step 3: Cross multiply
    47,270.97x = 70,906.25 × 13,991.18
  4. Step 4: Simplify right side
    47,270.97x = 992,061,787.32
  5. Step 5: Solve for x
    x = 992,061,787.32/47,270.97
  6. Step 6: Final answer
    x = 20,986.70

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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.