Home / 39,243.82-54,143.22-22,246.24

Finding the Fourth Proportional to 39,243.82, 54,143.22 and 22,246.24

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Solution

The fourth proportional to 39,243.82, 54,143.22 and 22,246.24 is: 30,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.82 : 54,143.22 = 22,246.24 : x
  2. Step 2: Convert to fraction form
    39,243.82/54,143.22 = 22,246.24/x
  3. Step 3: Cross multiply
    39,243.82x = 54,143.22 × 22,246.24
  4. Step 4: Simplify right side
    39,243.82x = 1,204,483,066.49
  5. Step 5: Solve for x
    x = 1,204,483,066.49/39,243.82
  6. Step 6: Final answer
    x = 30,692.30

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Half scale
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Double scale
Find fourth proportional to 39,244.82, 54,144.60 and 22,247.24
Similar ratio
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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.