Home / 39,745.60-59,626.40-11,665.60

Finding the Fourth Proportional to 39,745.60, 59,626.40 and 11,665.60

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Solution

The fourth proportional to 39,745.60, 59,626.40 and 11,665.60 is: 17,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.60 : 59,626.40 = 11,665.60 : x
  2. Step 2: Convert to fraction form
    39,745.60/59,626.40 = 11,665.60/x
  3. Step 3: Cross multiply
    39,745.60x = 59,626.40 × 11,665.60
  4. Step 4: Simplify right side
    39,745.60x = 695,577,731.84
  5. Step 5: Solve for x
    x = 695,577,731.84/39,745.60
  6. Step 6: Final answer
    x = 17,500.75

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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.