Home / 32,939.12-45,459.78-18,794

Finding the Fourth Proportional to 32,939.12, 45,459.78 and 18,794

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Solution

The fourth proportional to 32,939.12, 45,459.78 and 18,794 is: 25,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.12 : 45,459.78 = 18,794 : x
  2. Step 2: Convert to fraction form
    32,939.12/45,459.78 = 18,794/x
  3. Step 3: Cross multiply
    32,939.12x = 45,459.78 × 18,794
  4. Step 4: Simplify right side
    32,939.12x = 854,371,105.32
  5. Step 5: Solve for x
    x = 854,371,105.32/32,939.12
  6. Step 6: Final answer
    x = 25,937.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.