Home / 31,422.71-43,362.23-17,275.44

Finding the Fourth Proportional to 31,422.71, 43,362.23 and 17,275.44

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Solution

The fourth proportional to 31,422.71, 43,362.23 and 17,275.44 is: 23,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.71 : 43,362.23 = 17,275.44 : x
  2. Step 2: Convert to fraction form
    31,422.71/43,362.23 = 17,275.44/x
  3. Step 3: Cross multiply
    31,422.71x = 43,362.23 × 17,275.44
  4. Step 4: Simplify right side
    31,422.71x = 749,101,516.25
  5. Step 5: Solve for x
    x = 749,101,516.25/31,422.71
  6. Step 6: Final answer
    x = 23,839.50

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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.