Home / 31,778.73-47,718.99-26,219.97

Finding the Fourth Proportional to 31,778.73, 47,718.99 and 26,219.97

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Solution

The fourth proportional to 31,778.73, 47,718.99 and 26,219.97 is: 39,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.73 : 47,718.99 = 26,219.97 : x
  2. Step 2: Convert to fraction form
    31,778.73/47,718.99 = 26,219.97/x
  3. Step 3: Cross multiply
    31,778.73x = 47,718.99 × 26,219.97
  4. Step 4: Simplify right side
    31,778.73x = 1,251,190,486.23
  5. Step 5: Solve for x
    x = 1,251,190,486.23/31,778.73
  6. Step 6: Final answer
    x = 39,371.95

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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.