Home / 39,745.87-59,620.62-28,111.03

Finding the Fourth Proportional to 39,745.87, 59,620.62 and 28,111.03

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Solution

The fourth proportional to 39,745.87, 59,620.62 and 28,111.03 is: 42,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.87 : 59,620.62 = 28,111.03 : x
  2. Step 2: Convert to fraction form
    39,745.87/59,620.62 = 28,111.03/x
  3. Step 3: Cross multiply
    39,745.87x = 59,620.62 × 28,111.03
  4. Step 4: Simplify right side
    39,745.87x = 1,675,997,037.44
  5. Step 5: Solve for x
    x = 1,675,997,037.44/39,745.87
  6. Step 6: Final answer
    x = 42,167.83

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1.5x scale

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.