Home / 49,990.56-75,010.27-21,906.78

Finding the Fourth Proportional to 49,990.56, 75,010.27 and 21,906.78

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Solution

The fourth proportional to 49,990.56, 75,010.27 and 21,906.78 is: 32,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,990.56 : 75,010.27 = 21,906.78 : x
  2. Step 2: Convert to fraction form
    49,990.56/75,010.27 = 21,906.78/x
  3. Step 3: Cross multiply
    49,990.56x = 75,010.27 × 21,906.78
  4. Step 4: Simplify right side
    49,990.56x = 1,643,233,482.63
  5. Step 5: Solve for x
    x = 1,643,233,482.63/49,990.56
  6. Step 6: Final answer
    x = 32,870.88

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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.