Home / 31,218.18-43,081.14-17,071.26

Finding the Fourth Proportional to 31,218.18, 43,081.14 and 17,071.26

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Solution

The fourth proportional to 31,218.18, 43,081.14 and 17,071.26 is: 23,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218.18 : 43,081.14 = 17,071.26 : x
  2. Step 2: Convert to fraction form
    31,218.18/43,081.14 = 17,071.26/x
  3. Step 3: Cross multiply
    31,218.18x = 43,081.14 × 17,071.26
  4. Step 4: Simplify right side
    31,218.18x = 735,449,342.04
  5. Step 5: Solve for x
    x = 735,449,342.04/31,218.18
  6. Step 6: Final answer
    x = 23,558.37

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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.