Home / 31,239.39-43,111.43-17,092.23

Finding the Fourth Proportional to 31,239.39, 43,111.43 and 17,092.23

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Solution

The fourth proportional to 31,239.39, 43,111.43 and 17,092.23 is: 23,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.39 : 43,111.43 = 17,092.23 : x
  2. Step 2: Convert to fraction form
    31,239.39/43,111.43 = 17,092.23/x
  3. Step 3: Cross multiply
    31,239.39x = 43,111.43 × 17,092.23
  4. Step 4: Simplify right side
    31,239.39x = 736,870,477.19
  5. Step 5: Solve for x
    x = 736,870,477.19/31,239.39
  6. Step 6: Final answer
    x = 23,587.86

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Half scale
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Double scale
Find fourth proportional to 31,240.39, 43,112.81 and 17,093.23
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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.