Home / 31,236.06-43,105.78-17,089.21

Finding the Fourth Proportional to 31,236.06, 43,105.78 and 17,089.21

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Solution

The fourth proportional to 31,236.06, 43,105.78 and 17,089.21 is: 23,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.06 : 43,105.78 = 17,089.21 : x
  2. Step 2: Convert to fraction form
    31,236.06/43,105.78 = 17,089.21/x
  3. Step 3: Cross multiply
    31,236.06x = 43,105.78 × 17,089.21
  4. Step 4: Simplify right side
    31,236.06x = 736,643,726.63
  5. Step 5: Solve for x
    x = 736,643,726.63/31,236.06
  6. Step 6: Final answer
    x = 23,583.12

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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.