Home / 31,233.06-43,102.68-17,085.90

Finding the Fourth Proportional to 31,233.06, 43,102.68 and 17,085.90

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Solution

The fourth proportional to 31,233.06, 43,102.68 and 17,085.90 is: 23,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,233.06 : 43,102.68 = 17,085.90 : x
  2. Step 2: Convert to fraction form
    31,233.06/43,102.68 = 17,085.90/x
  3. Step 3: Cross multiply
    31,233.06x = 43,102.68 × 17,085.90
  4. Step 4: Simplify right side
    31,233.06x = 736,448,080.21
  5. Step 5: Solve for x
    x = 736,448,080.21/31,233.06
  6. Step 6: Final answer
    x = 23,579.12

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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.