Home / 39,112.26-53,969.76-22,118.82

Finding the Fourth Proportional to 39,112.26, 53,969.76 and 22,118.82

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Solution

The fourth proportional to 39,112.26, 53,969.76 and 22,118.82 is: 30,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.26 : 53,969.76 = 22,118.82 : x
  2. Step 2: Convert to fraction form
    39,112.26/53,969.76 = 22,118.82/x
  3. Step 3: Cross multiply
    39,112.26x = 53,969.76 × 22,118.82
  4. Step 4: Simplify right side
    39,112.26x = 1,193,747,406.88
  5. Step 5: Solve for x
    x = 1,193,747,406.88/39,112.26
  6. Step 6: Final answer
    x = 30,521.05

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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.