Home / 40,739.50-61,109.26-16,115.50

Finding the Fourth Proportional to 40,739.50, 61,109.26 and 16,115.50

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Solution

The fourth proportional to 40,739.50, 61,109.26 and 16,115.50 is: 24,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,739.50 : 61,109.26 = 16,115.50 : x
  2. Step 2: Convert to fraction form
    40,739.50/61,109.26 = 16,115.50/x
  3. Step 3: Cross multiply
    40,739.50x = 61,109.26 × 16,115.50
  4. Step 4: Simplify right side
    40,739.50x = 984,806,279.53
  5. Step 5: Solve for x
    x = 984,806,279.53/40,739.50
  6. Step 6: Final answer
    x = 24,173.25

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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.