Home / 55,579.68-83,344.32-20,494.56

Finding the Fourth Proportional to 55,579.68, 83,344.32 and 20,494.56

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Solution

The fourth proportional to 55,579.68, 83,344.32 and 20,494.56 is: 30,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.68 : 83,344.32 = 20,494.56 : x
  2. Step 2: Convert to fraction form
    55,579.68/83,344.32 = 20,494.56/x
  3. Step 3: Cross multiply
    55,579.68x = 83,344.32 × 20,494.56
  4. Step 4: Simplify right side
    55,579.68x = 1,708,105,166.90
  5. Step 5: Solve for x
    x = 1,708,105,166.90/55,579.68
  6. Step 6: Final answer
    x = 30,732.55

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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.