Home / 39,394.86-54,362.69-22,396.74

Finding the Fourth Proportional to 39,394.86, 54,362.69 and 22,396.74

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Solution

The fourth proportional to 39,394.86, 54,362.69 and 22,396.74 is: 30,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.86 : 54,362.69 = 22,396.74 : x
  2. Step 2: Convert to fraction form
    39,394.86/54,362.69 = 22,396.74/x
  3. Step 3: Cross multiply
    39,394.86x = 54,362.69 × 22,396.74
  4. Step 4: Simplify right side
    39,394.86x = 1,217,546,921.65
  5. Step 5: Solve for x
    x = 1,217,546,921.65/39,394.86
  6. Step 6: Final answer
    x = 30,906.24

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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.