Home / 31,799.52-43,885.38-18,371.34

Finding the Fourth Proportional to 31,799.52, 43,885.38 and 18,371.34

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Solution

The fourth proportional to 31,799.52, 43,885.38 and 18,371.34 is: 25,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.52 : 43,885.38 = 18,371.34 : x
  2. Step 2: Convert to fraction form
    31,799.52/43,885.38 = 18,371.34/x
  3. Step 3: Cross multiply
    31,799.52x = 43,885.38 × 18,371.34
  4. Step 4: Simplify right side
    31,799.52x = 806,233,237.01
  5. Step 5: Solve for x
    x = 806,233,237.01/31,799.52
  6. Step 6: Final answer
    x = 25,353.63

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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.