Home / 31,247.64-43,122.78-17,100.99

Finding the Fourth Proportional to 31,247.64, 43,122.78 and 17,100.99

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Solution

The fourth proportional to 31,247.64, 43,122.78 and 17,100.99 is: 23,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.64 : 43,122.78 = 17,100.99 : x
  2. Step 2: Convert to fraction form
    31,247.64/43,122.78 = 17,100.99/x
  3. Step 3: Cross multiply
    31,247.64x = 43,122.78 × 17,100.99
  4. Step 4: Simplify right side
    31,247.64x = 737,442,229.55
  5. Step 5: Solve for x
    x = 737,442,229.55/31,247.64
  6. Step 6: Final answer
    x = 23,599.93

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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.