Home / 31,218.26-43,081.40-17,071.34

Finding the Fourth Proportional to 31,218.26, 43,081.40 and 17,071.34

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Solution

The fourth proportional to 31,218.26, 43,081.40 and 17,071.34 is: 23,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218.26 : 43,081.40 = 17,071.34 : x
  2. Step 2: Convert to fraction form
    31,218.26/43,081.40 = 17,071.34/x
  3. Step 3: Cross multiply
    31,218.26x = 43,081.40 × 17,071.34
  4. Step 4: Simplify right side
    31,218.26x = 735,457,054.35
  5. Step 5: Solve for x
    x = 735,457,054.35/31,218.26
  6. Step 6: Final answer
    x = 23,558.56

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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.