Home / 31,247.75-43,122.30-17,100.29

Finding the Fourth Proportional to 31,247.75, 43,122.30 and 17,100.29

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Solution

The fourth proportional to 31,247.75, 43,122.30 and 17,100.29 is: 23,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.75 : 43,122.30 = 17,100.29 : x
  2. Step 2: Convert to fraction form
    31,247.75/43,122.30 = 17,100.29/x
  3. Step 3: Cross multiply
    31,247.75x = 43,122.30 × 17,100.29
  4. Step 4: Simplify right side
    31,247.75x = 737,403,835.47
  5. Step 5: Solve for x
    x = 737,403,835.47/31,247.75
  6. Step 6: Final answer
    x = 23,598.62

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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.