Home / 34,745.00-52,187.36-20,732.40

Finding the Fourth Proportional to 34,745.00, 52,187.36 and 20,732.40

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Solution

The fourth proportional to 34,745.00, 52,187.36 and 20,732.40 is: 31,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,745.00 : 52,187.36 = 20,732.40 : x
  2. Step 2: Convert to fraction form
    34,745.00/52,187.36 = 20,732.40/x
  3. Step 3: Cross multiply
    34,745.00x = 52,187.36 × 20,732.40
  4. Step 4: Simplify right side
    34,745.00x = 1,081,969,118.80
  5. Step 5: Solve for x
    x = 1,081,969,118.80/34,745.00
  6. Step 6: Final answer
    x = 31,140.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.