Home / 31,286.52-46,812-21,944.76

Finding the Fourth Proportional to 31,286.52, 46,812 and 21,944.76

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Solution

The fourth proportional to 31,286.52, 46,812 and 21,944.76 is: 32,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286.52 : 46,812 = 21,944.76 : x
  2. Step 2: Convert to fraction form
    31,286.52/46,812 = 21,944.76/x
  3. Step 3: Cross multiply
    31,286.52x = 46,812 × 21,944.76
  4. Step 4: Simplify right side
    31,286.52x = 1,027,278,105.12
  5. Step 5: Solve for x
    x = 1,027,278,105.12/31,286.52
  6. Step 6: Final answer
    x = 32,834.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.