Home / 31,919.80-48,118.73-29,778.97

Finding the Fourth Proportional to 31,919.80, 48,118.73 and 29,778.97

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Solution

The fourth proportional to 31,919.80, 48,118.73 and 29,778.97 is: 44,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.80 : 48,118.73 = 29,778.97 : x
  2. Step 2: Convert to fraction form
    31,919.80/48,118.73 = 29,778.97/x
  3. Step 3: Cross multiply
    31,919.80x = 48,118.73 × 29,778.97
  4. Step 4: Simplify right side
    31,919.80x = 1,432,926,217.11
  5. Step 5: Solve for x
    x = 1,432,926,217.11/31,919.80
  6. Step 6: Final answer
    x = 44,891.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.