Home / 43,279.98-64,880.79-16,977.66

Finding the Fourth Proportional to 43,279.98, 64,880.79 and 16,977.66

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Solution

The fourth proportional to 43,279.98, 64,880.79 and 16,977.66 is: 25,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.98 : 64,880.79 = 16,977.66 : x
  2. Step 2: Convert to fraction form
    43,279.98/64,880.79 = 16,977.66/x
  3. Step 3: Cross multiply
    43,279.98x = 64,880.79 × 16,977.66
  4. Step 4: Simplify right side
    43,279.98x = 1,101,523,993.15
  5. Step 5: Solve for x
    x = 1,101,523,993.15/43,279.98
  6. Step 6: Final answer
    x = 25,451.12

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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.