Home / 54,671.64-81,990.18-17,727

Finding the Fourth Proportional to 54,671.64, 81,990.18 and 17,727

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Solution

The fourth proportional to 54,671.64, 81,990.18 and 17,727 is: 26,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,671.64 : 81,990.18 = 17,727 : x
  2. Step 2: Convert to fraction form
    54,671.64/81,990.18 = 17,727/x
  3. Step 3: Cross multiply
    54,671.64x = 81,990.18 × 17,727
  4. Step 4: Simplify right side
    54,671.64x = 1,453,439,920.86
  5. Step 5: Solve for x
    x = 1,453,439,920.86/54,671.64
  6. Step 6: Final answer
    x = 26,584.90

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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.