Home / 67,186.27-100,794.39-20,442.79

Finding the Fourth Proportional to 67,186.27, 100,794.39 and 20,442.79

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Solution

The fourth proportional to 67,186.27, 100,794.39 and 20,442.79 is: 30,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,186.27 : 100,794.39 = 20,442.79 : x
  2. Step 2: Convert to fraction form
    67,186.27/100,794.39 = 20,442.79/x
  3. Step 3: Cross multiply
    67,186.27x = 100,794.39 × 20,442.79
  4. Step 4: Simplify right side
    67,186.27x = 2,060,518,547.95
  5. Step 5: Solve for x
    x = 2,060,518,547.95/67,186.27
  6. Step 6: Final answer
    x = 30,668.74

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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.