Home / 31,834.60-43,815.78-22,868.20

Finding the Fourth Proportional to 31,834.60, 43,815.78 and 22,868.20

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Solution

The fourth proportional to 31,834.60, 43,815.78 and 22,868.20 is: 31,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.60 : 43,815.78 = 22,868.20 : x
  2. Step 2: Convert to fraction form
    31,834.60/43,815.78 = 22,868.20/x
  3. Step 3: Cross multiply
    31,834.60x = 43,815.78 × 22,868.20
  4. Step 4: Simplify right side
    31,834.60x = 1,001,988,020.20
  5. Step 5: Solve for x
    x = 1,001,988,020.20/31,834.60
  6. Step 6: Final answer
    x = 31,474.81

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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.