Home / 31,947.96-44,081.10-18,521.40

Finding the Fourth Proportional to 31,947.96, 44,081.10 and 18,521.40

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Solution

The fourth proportional to 31,947.96, 44,081.10 and 18,521.40 is: 25,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.96 : 44,081.10 = 18,521.40 : x
  2. Step 2: Convert to fraction form
    31,947.96/44,081.10 = 18,521.40/x
  3. Step 3: Cross multiply
    31,947.96x = 44,081.10 × 18,521.40
  4. Step 4: Simplify right side
    31,947.96x = 816,443,685.54
  5. Step 5: Solve for x
    x = 816,443,685.54/31,947.96
  6. Step 6: Final answer
    x = 25,555.42

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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.