Home / 39,345.09-54,297.32-22,349.85

Finding the Fourth Proportional to 39,345.09, 54,297.32 and 22,349.85

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Solution

The fourth proportional to 39,345.09, 54,297.32 and 22,349.85 is: 30,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345.09 : 54,297.32 = 22,349.85 : x
  2. Step 2: Convert to fraction form
    39,345.09/54,297.32 = 22,349.85/x
  3. Step 3: Cross multiply
    39,345.09x = 54,297.32 × 22,349.85
  4. Step 4: Simplify right side
    39,345.09x = 1,213,536,845.65
  5. Step 5: Solve for x
    x = 1,213,536,845.65/39,345.09
  6. Step 6: Final answer
    x = 30,843.41

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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.