Home / 31,796.40-43,873.20-23,821.68

Finding the Fourth Proportional to 31,796.40, 43,873.20 and 23,821.68

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Solution

The fourth proportional to 31,796.40, 43,873.20 and 23,821.68 is: 32,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796.40 : 43,873.20 = 23,821.68 : x
  2. Step 2: Convert to fraction form
    31,796.40/43,873.20 = 23,821.68/x
  3. Step 3: Cross multiply
    31,796.40x = 43,873.20 × 23,821.68
  4. Step 4: Simplify right side
    31,796.40x = 1,045,133,330.98
  5. Step 5: Solve for x
    x = 1,045,133,330.98/31,796.40
  6. Step 6: Final answer
    x = 32,869.55

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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.