Home / 31,812.92-43,902.66-17,667.08

Finding the Fourth Proportional to 31,812.92, 43,902.66 and 17,667.08

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Solution

The fourth proportional to 31,812.92, 43,902.66 and 17,667.08 is: 24,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.92 : 43,902.66 = 17,667.08 : x
  2. Step 2: Convert to fraction form
    31,812.92/43,902.66 = 17,667.08/x
  3. Step 3: Cross multiply
    31,812.92x = 43,902.66 × 17,667.08
  4. Step 4: Simplify right side
    31,812.92x = 775,631,806.43
  5. Step 5: Solve for x
    x = 775,631,806.43/31,812.92
  6. Step 6: Final answer
    x = 24,381.03

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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.