Home / 55,535.56-83,311.25-20,472.48

Finding the Fourth Proportional to 55,535.56, 83,311.25 and 20,472.48

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Solution

The fourth proportional to 55,535.56, 83,311.25 and 20,472.48 is: 30,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,535.56 : 83,311.25 = 20,472.48 : x
  2. Step 2: Convert to fraction form
    55,535.56/83,311.25 = 20,472.48/x
  3. Step 3: Cross multiply
    55,535.56x = 83,311.25 × 20,472.48
  4. Step 4: Simplify right side
    55,535.56x = 1,705,587,797.04
  5. Step 5: Solve for x
    x = 1,705,587,797.04/55,535.56
  6. Step 6: Final answer
    x = 30,711.64

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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.