Home / 40,821.30-61,255.61-17,126.75

Finding the Fourth Proportional to 40,821.30, 61,255.61 and 17,126.75

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Solution

The fourth proportional to 40,821.30, 61,255.61 and 17,126.75 is: 25,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.30 : 61,255.61 = 17,126.75 : x
  2. Step 2: Convert to fraction form
    40,821.30/61,255.61 = 17,126.75/x
  3. Step 3: Cross multiply
    40,821.30x = 61,255.61 × 17,126.75
  4. Step 4: Simplify right side
    40,821.30x = 1,049,109,518.57
  5. Step 5: Solve for x
    x = 1,049,109,518.57/40,821.30
  6. Step 6: Final answer
    x = 25,700.05

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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.