Home / 31,670.03-43,705.16-17,331.11

Finding the Fourth Proportional to 31,670.03, 43,705.16 and 17,331.11

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Solution

The fourth proportional to 31,670.03, 43,705.16 and 17,331.11 is: 23,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.03 : 43,705.16 = 17,331.11 : x
  2. Step 2: Convert to fraction form
    31,670.03/43,705.16 = 17,331.11/x
  3. Step 3: Cross multiply
    31,670.03x = 43,705.16 × 17,331.11
  4. Step 4: Simplify right side
    31,670.03x = 757,458,760.33
  5. Step 5: Solve for x
    x = 757,458,760.33/31,670.03
  6. Step 6: Final answer
    x = 23,917.21

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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.