Home / 31,221.05-46,819.82-10,155.58

Finding the Fourth Proportional to 31,221.05, 46,819.82 and 10,155.58

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Solution

The fourth proportional to 31,221.05, 46,819.82 and 10,155.58 is: 15,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.05 : 46,819.82 = 10,155.58 : x
  2. Step 2: Convert to fraction form
    31,221.05/46,819.82 = 10,155.58/x
  3. Step 3: Cross multiply
    31,221.05x = 46,819.82 × 10,155.58
  4. Step 4: Simplify right side
    31,221.05x = 475,482,335.93
  5. Step 5: Solve for x
    x = 475,482,335.93/31,221.05
  6. Step 6: Final answer
    x = 15,229.55

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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.