Home / 31,717.47-43,768.22-17,374.43

Finding the Fourth Proportional to 31,717.47, 43,768.22 and 17,374.43

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Solution

The fourth proportional to 31,717.47, 43,768.22 and 17,374.43 is: 23,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.47 : 43,768.22 = 17,374.43 : x
  2. Step 2: Convert to fraction form
    31,717.47/43,768.22 = 17,374.43/x
  3. Step 3: Cross multiply
    31,717.47x = 43,768.22 × 17,374.43
  4. Step 4: Simplify right side
    31,717.47x = 760,447,568.90
  5. Step 5: Solve for x
    x = 760,447,568.90/31,717.47
  6. Step 6: Final answer
    x = 23,975.67

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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.