Home / 31,273.74-43,157.70-17,126.55

Finding the Fourth Proportional to 31,273.74, 43,157.70 and 17,126.55

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Solution

The fourth proportional to 31,273.74, 43,157.70 and 17,126.55 is: 23,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.74 : 43,157.70 = 17,126.55 : x
  2. Step 2: Convert to fraction form
    31,273.74/43,157.70 = 17,126.55/x
  3. Step 3: Cross multiply
    31,273.74x = 43,157.70 × 17,126.55
  4. Step 4: Simplify right side
    31,273.74x = 739,142,506.94
  5. Step 5: Solve for x
    x = 739,142,506.94/31,273.74
  6. Step 6: Final answer
    x = 23,634.61

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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.