Home / 31,866.39-43,986.54-19,291.14

Finding the Fourth Proportional to 31,866.39, 43,986.54 and 19,291.14

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Solution

The fourth proportional to 31,866.39, 43,986.54 and 19,291.14 is: 26,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.39 : 43,986.54 = 19,291.14 : x
  2. Step 2: Convert to fraction form
    31,866.39/43,986.54 = 19,291.14/x
  3. Step 3: Cross multiply
    31,866.39x = 43,986.54 × 19,291.14
  4. Step 4: Simplify right side
    31,866.39x = 848,550,501.26
  5. Step 5: Solve for x
    x = 848,550,501.26/31,866.39
  6. Step 6: Final answer
    x = 26,628.38

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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.