Home / 55,422.26-83,133.39-20,346.74

Finding the Fourth Proportional to 55,422.26, 83,133.39 and 20,346.74

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Solution

The fourth proportional to 55,422.26, 83,133.39 and 20,346.74 is: 30,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.26 : 83,133.39 = 20,346.74 : x
  2. Step 2: Convert to fraction form
    55,422.26/83,133.39 = 20,346.74/x
  3. Step 3: Cross multiply
    55,422.26x = 83,133.39 × 20,346.74
  4. Step 4: Simplify right side
    55,422.26x = 1,691,493,471.65
  5. Step 5: Solve for x
    x = 1,691,493,471.65/55,422.26
  6. Step 6: Final answer
    x = 30,520.11

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1.5x scale

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.