Home / 31,964.90-44,126.57-21,226.73

Finding the Fourth Proportional to 31,964.90, 44,126.57 and 21,226.73

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Solution

The fourth proportional to 31,964.90, 44,126.57 and 21,226.73 is: 29,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.90 : 44,126.57 = 21,226.73 : x
  2. Step 2: Convert to fraction form
    31,964.90/44,126.57 = 21,226.73/x
  3. Step 3: Cross multiply
    31,964.90x = 44,126.57 × 21,226.73
  4. Step 4: Simplify right side
    31,964.90x = 936,662,619.65
  5. Step 5: Solve for x
    x = 936,662,619.65/31,964.90
  6. Step 6: Final answer
    x = 29,302.85

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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.