Home / 31,274.46-43,158.30-17,127.30

Finding the Fourth Proportional to 31,274.46, 43,158.30 and 17,127.30

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Solution

The fourth proportional to 31,274.46, 43,158.30 and 17,127.30 is: 23,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.46 : 43,158.30 = 17,127.30 : x
  2. Step 2: Convert to fraction form
    31,274.46/43,158.30 = 17,127.30/x
  3. Step 3: Cross multiply
    31,274.46x = 43,158.30 × 17,127.30
  4. Step 4: Simplify right side
    31,274.46x = 739,185,151.59
  5. Step 5: Solve for x
    x = 739,185,151.59/31,274.46
  6. Step 6: Final answer
    x = 23,635.42

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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.