Home / 31,964.20-44,115.78-19,397.80

Finding the Fourth Proportional to 31,964.20, 44,115.78 and 19,397.80

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Solution

The fourth proportional to 31,964.20, 44,115.78 and 19,397.80 is: 26,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.20 : 44,115.78 = 19,397.80 : x
  2. Step 2: Convert to fraction form
    31,964.20/44,115.78 = 19,397.80/x
  3. Step 3: Cross multiply
    31,964.20x = 44,115.78 × 19,397.80
  4. Step 4: Simplify right side
    31,964.20x = 855,749,077.28
  5. Step 5: Solve for x
    x = 855,749,077.28/31,964.20
  6. Step 6: Final answer
    x = 26,772.11

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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.