Home / 31,336.16-43,243.96-17,189.11

Finding the Fourth Proportional to 31,336.16, 43,243.96 and 17,189.11

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Solution

The fourth proportional to 31,336.16, 43,243.96 and 17,189.11 is: 23,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.16 : 43,243.96 = 17,189.11 : x
  2. Step 2: Convert to fraction form
    31,336.16/43,243.96 = 17,189.11/x
  3. Step 3: Cross multiply
    31,336.16x = 43,243.96 × 17,189.11
  4. Step 4: Simplify right side
    31,336.16x = 743,324,969.06
  5. Step 5: Solve for x
    x = 743,324,969.06/31,336.16
  6. Step 6: Final answer
    x = 23,721.00

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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.