Home / 31,247.31-43,130.34-17,825.88

Finding the Fourth Proportional to 31,247.31, 43,130.34 and 17,825.88

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Solution

The fourth proportional to 31,247.31, 43,130.34 and 17,825.88 is: 24,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.31 : 43,130.34 = 17,825.88 : x
  2. Step 2: Convert to fraction form
    31,247.31/43,130.34 = 17,825.88/x
  3. Step 3: Cross multiply
    31,247.31x = 43,130.34 × 17,825.88
  4. Step 4: Simplify right side
    31,247.31x = 768,836,265.20
  5. Step 5: Solve for x
    x = 768,836,265.20/31,247.31
  6. Step 6: Final answer
    x = 24,604.88

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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.