Home / 55,321.44-82,990.32-17,869.02

Finding the Fourth Proportional to 55,321.44, 82,990.32 and 17,869.02

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Solution

The fourth proportional to 55,321.44, 82,990.32 and 17,869.02 is: 26,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,321.44 : 82,990.32 = 17,869.02 : x
  2. Step 2: Convert to fraction form
    55,321.44/82,990.32 = 17,869.02/x
  3. Step 3: Cross multiply
    55,321.44x = 82,990.32 × 17,869.02
  4. Step 4: Simplify right side
    55,321.44x = 1,482,955,687.89
  5. Step 5: Solve for x
    x = 1,482,955,687.89/55,321.44
  6. Step 6: Final answer
    x = 26,806.17

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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.