Home / 20,079.52-30,108.42-15,946.12

Finding the Fourth Proportional to 20,079.52, 30,108.42 and 15,946.12

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Solution

The fourth proportional to 20,079.52, 30,108.42 and 15,946.12 is: 23,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.52 : 30,108.42 = 15,946.12 : x
  2. Step 2: Convert to fraction form
    20,079.52/30,108.42 = 15,946.12/x
  3. Step 3: Cross multiply
    20,079.52x = 30,108.42 × 15,946.12
  4. Step 4: Simplify right side
    20,079.52x = 480,112,478.33
  5. Step 5: Solve for x
    x = 480,112,478.33/20,079.52
  6. Step 6: Final answer
    x = 23,910.56

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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.