Home / 33,140.48-45,732.96-18,236.48

Finding the Fourth Proportional to 33,140.48, 45,732.96 and 18,236.48

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Solution

The fourth proportional to 33,140.48, 45,732.96 and 18,236.48 is: 25,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.48 : 45,732.96 = 18,236.48 : x
  2. Step 2: Convert to fraction form
    33,140.48/45,732.96 = 18,236.48/x
  3. Step 3: Cross multiply
    33,140.48x = 45,732.96 × 18,236.48
  4. Step 4: Simplify right side
    33,140.48x = 834,008,210.38
  5. Step 5: Solve for x
    x = 834,008,210.38/33,140.48
  6. Step 6: Final answer
    x = 25,165.85

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Half scale
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Double scale
Find fourth proportional to 33,141.48, 45,734.34 and 18,237.48
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.