Home / 39,713.92-54,809.56-22,719.72

Finding the Fourth Proportional to 39,713.92, 54,809.56 and 22,719.72

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Solution

The fourth proportional to 39,713.92, 54,809.56 and 22,719.72 is: 31,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.92 : 54,809.56 = 22,719.72 : x
  2. Step 2: Convert to fraction form
    39,713.92/54,809.56 = 22,719.72/x
  3. Step 3: Cross multiply
    39,713.92x = 54,809.56 × 22,719.72
  4. Step 4: Simplify right side
    39,713.92x = 1,245,257,856.52
  5. Step 5: Solve for x
    x = 1,245,257,856.52/39,713.92
  6. Step 6: Final answer
    x = 31,355.70

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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.