Home / 20,452.77-30,675.38-5,659.74

Finding the Fourth Proportional to 20,452.77, 30,675.38 and 5,659.74

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Solution

The fourth proportional to 20,452.77, 30,675.38 and 5,659.74 is: 8,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.77 : 30,675.38 = 5,659.74 : x
  2. Step 2: Convert to fraction form
    20,452.77/30,675.38 = 5,659.74/x
  3. Step 3: Cross multiply
    20,452.77x = 30,675.38 × 5,659.74
  4. Step 4: Simplify right side
    20,452.77x = 173,614,646.90
  5. Step 5: Solve for x
    x = 173,614,646.90/20,452.77
  6. Step 6: Final answer
    x = 8,488.56

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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.