Home / 73,839.42-110,759.19-21,248.97

Finding the Fourth Proportional to 73,839.42, 110,759.19 and 21,248.97

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Solution

The fourth proportional to 73,839.42, 110,759.19 and 21,248.97 is: 31,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,839.42 : 110,759.19 = 21,248.97 : x
  2. Step 2: Convert to fraction form
    73,839.42/110,759.19 = 21,248.97/x
  3. Step 3: Cross multiply
    73,839.42x = 110,759.19 × 21,248.97
  4. Step 4: Simplify right side
    73,839.42x = 2,353,518,705.53
  5. Step 5: Solve for x
    x = 2,353,518,705.53/73,839.42
  6. Step 6: Final answer
    x = 31,873.47

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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.