Home / 31,352.76-43,266.69-17,205.57

Finding the Fourth Proportional to 31,352.76, 43,266.69 and 17,205.57

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Solution

The fourth proportional to 31,352.76, 43,266.69 and 17,205.57 is: 23,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.76 : 43,266.69 = 17,205.57 : x
  2. Step 2: Convert to fraction form
    31,352.76/43,266.69 = 17,205.57/x
  3. Step 3: Cross multiply
    31,352.76x = 43,266.69 × 17,205.57
  4. Step 4: Simplify right side
    31,352.76x = 744,428,063.46
  5. Step 5: Solve for x
    x = 744,428,063.46/31,352.76
  6. Step 6: Final answer
    x = 23,743.62

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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.