Home / 31,274.24-43,158.08-17,126.88

Finding the Fourth Proportional to 31,274.24, 43,158.08 and 17,126.88

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Solution

The fourth proportional to 31,274.24, 43,158.08 and 17,126.88 is: 23,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.24 : 43,158.08 = 17,126.88 : x
  2. Step 2: Convert to fraction form
    31,274.24/43,158.08 = 17,126.88/x
  3. Step 3: Cross multiply
    31,274.24x = 43,158.08 × 17,126.88
  4. Step 4: Simplify right side
    31,274.24x = 739,163,257.19
  5. Step 5: Solve for x
    x = 739,163,257.19/31,274.24
  6. Step 6: Final answer
    x = 23,634.89

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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.