Home / 39,933-55,107.54-23,169.24

Finding the Fourth Proportional to 39,933, 55,107.54 and 23,169.24

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Solution

The fourth proportional to 39,933, 55,107.54 and 23,169.24 is: 31,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933 : 55,107.54 = 23,169.24 : x
  2. Step 2: Convert to fraction form
    39,933/55,107.54 = 23,169.24/x
  3. Step 3: Cross multiply
    39,933x = 55,107.54 × 23,169.24
  4. Step 4: Simplify right side
    39,933x = 1,276,799,820.07
  5. Step 5: Solve for x
    x = 1,276,799,820.07/39,933
  6. Step 6: Final answer
    x = 31,973.55

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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.