Home / 20,079.33-30,122.52-6,751.05

Finding the Fourth Proportional to 20,079.33, 30,122.52 and 6,751.05

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Solution

The fourth proportional to 20,079.33, 30,122.52 and 6,751.05 is: 10,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.33 : 30,122.52 = 6,751.05 : x
  2. Step 2: Convert to fraction form
    20,079.33/30,122.52 = 6,751.05/x
  3. Step 3: Cross multiply
    20,079.33x = 30,122.52 × 6,751.05
  4. Step 4: Simplify right side
    20,079.33x = 203,358,638.65
  5. Step 5: Solve for x
    x = 203,358,638.65/20,079.33
  6. Step 6: Final answer
    x = 10,127.76

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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.