Home / 39,469.77-54,449.30-28,697.95

Finding the Fourth Proportional to 39,469.77, 54,449.30 and 28,697.95

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Solution

The fourth proportional to 39,469.77, 54,449.30 and 28,697.95 is: 39,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.77 : 54,449.30 = 28,697.95 : x
  2. Step 2: Convert to fraction form
    39,469.77/54,449.30 = 28,697.95/x
  3. Step 3: Cross multiply
    39,469.77x = 54,449.30 × 28,697.95
  4. Step 4: Simplify right side
    39,469.77x = 1,562,583,145.45
  5. Step 5: Solve for x
    x = 1,562,583,145.45/39,469.77
  6. Step 6: Final answer
    x = 39,589.37

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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.