Home / 20,105.07-30,149.49-6,060.75

Finding the Fourth Proportional to 20,105.07, 30,149.49 and 6,060.75

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Solution

The fourth proportional to 20,105.07, 30,149.49 and 6,060.75 is: 9,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,105.07 : 30,149.49 = 6,060.75 : x
  2. Step 2: Convert to fraction form
    20,105.07/30,149.49 = 6,060.75/x
  3. Step 3: Cross multiply
    20,105.07x = 30,149.49 × 6,060.75
  4. Step 4: Simplify right side
    20,105.07x = 182,728,521.52
  5. Step 5: Solve for x
    x = 182,728,521.52/20,105.07
  6. Step 6: Final answer
    x = 9,088.68

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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.