Home / 39,933.68-55,106.25-22,025.12

Finding the Fourth Proportional to 39,933.68, 55,106.25 and 22,025.12

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Solution

The fourth proportional to 39,933.68, 55,106.25 and 22,025.12 is: 30,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933.68 : 55,106.25 = 22,025.12 : x
  2. Step 2: Convert to fraction form
    39,933.68/55,106.25 = 22,025.12/x
  3. Step 3: Cross multiply
    39,933.68x = 55,106.25 × 22,025.12
  4. Step 4: Simplify right side
    39,933.68x = 1,213,721,769
  5. Step 5: Solve for x
    x = 1,213,721,769/39,933.68
  6. Step 6: Final answer
    x = 30,393.44

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Double scale
Find fourth proportional to 39,934.68, 55,107.63 and 22,026.12
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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.