Home / 55,659.62-83,522.19-20,623.70

Finding the Fourth Proportional to 55,659.62, 83,522.19 and 20,623.70

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Solution

The fourth proportional to 55,659.62, 83,522.19 and 20,623.70 is: 30,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,659.62 : 83,522.19 = 20,623.70 : x
  2. Step 2: Convert to fraction form
    55,659.62/83,522.19 = 20,623.70/x
  3. Step 3: Cross multiply
    55,659.62x = 83,522.19 × 20,623.70
  4. Step 4: Simplify right side
    55,659.62x = 1,722,536,589.90
  5. Step 5: Solve for x
    x = 1,722,536,589.90/55,659.62
  6. Step 6: Final answer
    x = 30,947.69

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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.