Home / 39,169.39-54,048.05-22,399.15

Finding the Fourth Proportional to 39,169.39, 54,048.05 and 22,399.15

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Solution

The fourth proportional to 39,169.39, 54,048.05 and 22,399.15 is: 30,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.39 : 54,048.05 = 22,399.15 : x
  2. Step 2: Convert to fraction form
    39,169.39/54,048.05 = 22,399.15/x
  3. Step 3: Cross multiply
    39,169.39x = 54,048.05 × 22,399.15
  4. Step 4: Simplify right side
    39,169.39x = 1,210,630,379.16
  5. Step 5: Solve for x
    x = 1,210,630,379.16/39,169.39
  6. Step 6: Final answer
    x = 30,907.56

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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.