Home / 40,902.37-61,354.91-11,317.72

Finding the Fourth Proportional to 40,902.37, 61,354.91 and 11,317.72

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Solution

The fourth proportional to 40,902.37, 61,354.91 and 11,317.72 is: 16,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,902.37 : 61,354.91 = 11,317.72 : x
  2. Step 2: Convert to fraction form
    40,902.37/61,354.91 = 11,317.72/x
  3. Step 3: Cross multiply
    40,902.37x = 61,354.91 × 11,317.72
  4. Step 4: Simplify right side
    40,902.37x = 694,397,692.01
  5. Step 5: Solve for x
    x = 694,397,692.01/40,902.37
  6. Step 6: Final answer
    x = 16,976.95

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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.