Home / 31,370.76-43,311.92-19,446.75

Finding the Fourth Proportional to 31,370.76, 43,311.92 and 19,446.75

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Solution

The fourth proportional to 31,370.76, 43,311.92 and 19,446.75 is: 26,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.76 : 43,311.92 = 19,446.75 : x
  2. Step 2: Convert to fraction form
    31,370.76/43,311.92 = 19,446.75/x
  3. Step 3: Cross multiply
    31,370.76x = 43,311.92 × 19,446.75
  4. Step 4: Simplify right side
    31,370.76x = 842,275,983.03
  5. Step 5: Solve for x
    x = 842,275,983.03/31,370.76
  6. Step 6: Final answer
    x = 26,849.08

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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.