Home / 20,500.54-30,758.55-8,029.48

Finding the Fourth Proportional to 20,500.54, 30,758.55 and 8,029.48

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Solution

The fourth proportional to 20,500.54, 30,758.55 and 8,029.48 is: 12,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,500.54 : 30,758.55 = 8,029.48 : x
  2. Step 2: Convert to fraction form
    20,500.54/30,758.55 = 8,029.48/x
  3. Step 3: Cross multiply
    20,500.54x = 30,758.55 × 8,029.48
  4. Step 4: Simplify right side
    20,500.54x = 246,975,008.26
  5. Step 5: Solve for x
    x = 246,975,008.26/20,500.54
  6. Step 6: Final answer
    x = 12,047.25

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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.