Home / 31,788.50-43,712.60-27,589.46

Finding the Fourth Proportional to 31,788.50, 43,712.60 and 27,589.46

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Solution

The fourth proportional to 31,788.50, 43,712.60 and 27,589.46 is: 37,938.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.50 : 43,712.60 = 27,589.46 : x
  2. Step 2: Convert to fraction form
    31,788.50/43,712.60 = 27,589.46/x
  3. Step 3: Cross multiply
    31,788.50x = 43,712.60 × 27,589.46
  4. Step 4: Simplify right side
    31,788.50x = 1,206,007,029.20
  5. Step 5: Solve for x
    x = 1,206,007,029.20/31,788.50
  6. Step 6: Final answer
    x = 37,938.47

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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.