Home / 31,581.82-43,565.66-22,006.54

Finding the Fourth Proportional to 31,581.82, 43,565.66 and 22,006.54

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Solution

The fourth proportional to 31,581.82, 43,565.66 and 22,006.54 is: 30,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.82 : 43,565.66 = 22,006.54 : x
  2. Step 2: Convert to fraction form
    31,581.82/43,565.66 = 22,006.54/x
  3. Step 3: Cross multiply
    31,581.82x = 43,565.66 × 22,006.54
  4. Step 4: Simplify right side
    31,581.82x = 958,729,439.42
  5. Step 5: Solve for x
    x = 958,729,439.42/31,581.82
  6. Step 6: Final answer
    x = 30,357.00

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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.