Home / 31,365.22-43,284.16-17,218.07

Finding the Fourth Proportional to 31,365.22, 43,284.16 and 17,218.07

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Solution

The fourth proportional to 31,365.22, 43,284.16 and 17,218.07 is: 23,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.22 : 43,284.16 = 17,218.07 : x
  2. Step 2: Convert to fraction form
    31,365.22/43,284.16 = 17,218.07/x
  3. Step 3: Cross multiply
    31,365.22x = 43,284.16 × 17,218.07
  4. Step 4: Simplify right side
    31,365.22x = 745,269,394.26
  5. Step 5: Solve for x
    x = 745,269,394.26/31,365.22
  6. Step 6: Final answer
    x = 23,761.01

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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.