Home / 40,827.12-61,240.68-11,245.26

Finding the Fourth Proportional to 40,827.12, 61,240.68 and 11,245.26

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Solution

The fourth proportional to 40,827.12, 61,240.68 and 11,245.26 is: 16,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827.12 : 61,240.68 = 11,245.26 : x
  2. Step 2: Convert to fraction form
    40,827.12/61,240.68 = 11,245.26/x
  3. Step 3: Cross multiply
    40,827.12x = 61,240.68 × 11,245.26
  4. Step 4: Simplify right side
    40,827.12x = 688,667,369.18
  5. Step 5: Solve for x
    x = 688,667,369.18/40,827.12
  6. Step 6: Final answer
    x = 16,867.89

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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.