Home / 30,679.44-42,336.60-17,251.24

Finding the Fourth Proportional to 30,679.44, 42,336.60 and 17,251.24

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Solution

The fourth proportional to 30,679.44, 42,336.60 and 17,251.24 is: 23,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.44 : 42,336.60 = 17,251.24 : x
  2. Step 2: Convert to fraction form
    30,679.44/42,336.60 = 17,251.24/x
  3. Step 3: Cross multiply
    30,679.44x = 42,336.60 × 17,251.24
  4. Step 4: Simplify right side
    30,679.44x = 730,358,847.38
  5. Step 5: Solve for x
    x = 730,358,847.38/30,679.44
  6. Step 6: Final answer
    x = 23,806.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.