Home / 40,967.20-61,450.84-11,385.04

Finding the Fourth Proportional to 40,967.20, 61,450.84 and 11,385.04

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Solution

The fourth proportional to 40,967.20, 61,450.84 and 11,385.04 is: 17,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,967.20 : 61,450.84 = 11,385.04 : x
  2. Step 2: Convert to fraction form
    40,967.20/61,450.84 = 11,385.04/x
  3. Step 3: Cross multiply
    40,967.20x = 61,450.84 × 11,385.04
  4. Step 4: Simplify right side
    40,967.20x = 699,620,271.43
  5. Step 5: Solve for x
    x = 699,620,271.43/40,967.20
  6. Step 6: Final answer
    x = 17,077.57

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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.