Home / 31,622.70-43,639.65-17,282.94

Finding the Fourth Proportional to 31,622.70, 43,639.65 and 17,282.94

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Solution

The fourth proportional to 31,622.70, 43,639.65 and 17,282.94 is: 23,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,622.70 : 43,639.65 = 17,282.94 : x
  2. Step 2: Convert to fraction form
    31,622.70/43,639.65 = 17,282.94/x
  3. Step 3: Cross multiply
    31,622.70x = 43,639.65 × 17,282.94
  4. Step 4: Simplify right side
    31,622.70x = 754,221,452.57
  5. Step 5: Solve for x
    x = 754,221,452.57/31,622.70
  6. Step 6: Final answer
    x = 23,850.63

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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.