Home / 31,793.06-43,864.84-18,359.41

Finding the Fourth Proportional to 31,793.06, 43,864.84 and 18,359.41

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Solution

The fourth proportional to 31,793.06, 43,864.84 and 18,359.41 is: 25,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,793.06 : 43,864.84 = 18,359.41 : x
  2. Step 2: Convert to fraction form
    31,793.06/43,864.84 = 18,359.41/x
  3. Step 3: Cross multiply
    31,793.06x = 43,864.84 × 18,359.41
  4. Step 4: Simplify right side
    31,793.06x = 805,332,577.68
  5. Step 5: Solve for x
    x = 805,332,577.68/31,793.06
  6. Step 6: Final answer
    x = 25,330.45

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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.