Home / 31,355.20-43,226.13-26,555.95

Finding the Fourth Proportional to 31,355.20, 43,226.13 and 26,555.95

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Solution

The fourth proportional to 31,355.20, 43,226.13 and 26,555.95 is: 36,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.20 : 43,226.13 = 26,555.95 : x
  2. Step 2: Convert to fraction form
    31,355.20/43,226.13 = 26,555.95/x
  3. Step 3: Cross multiply
    31,355.20x = 43,226.13 × 26,555.95
  4. Step 4: Simplify right side
    31,355.20x = 1,147,910,946.97
  5. Step 5: Solve for x
    x = 1,147,910,946.97/31,355.20
  6. Step 6: Final answer
    x = 36,609.91

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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.