Home / 39,977.38-55,173.45-33,251.14

Finding the Fourth Proportional to 39,977.38, 55,173.45 and 33,251.14

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Solution

The fourth proportional to 39,977.38, 55,173.45 and 33,251.14 is: 45,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.38 : 55,173.45 = 33,251.14 : x
  2. Step 2: Convert to fraction form
    39,977.38/55,173.45 = 33,251.14/x
  3. Step 3: Cross multiply
    39,977.38x = 55,173.45 × 33,251.14
  4. Step 4: Simplify right side
    39,977.38x = 1,834,580,110.23
  5. Step 5: Solve for x
    x = 1,834,580,110.23/39,977.38
  6. Step 6: Final answer
    x = 45,890.45

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Double scale
Find fourth proportional to 39,978.38, 55,174.83 and 33,252.14
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.