Home / 32,540.81-48,818.70-13,821.44

Finding the Fourth Proportional to 32,540.81, 48,818.70 and 13,821.44

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Solution

The fourth proportional to 32,540.81, 48,818.70 and 13,821.44 is: 20,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,540.81 : 48,818.70 = 13,821.44 : x
  2. Step 2: Convert to fraction form
    32,540.81/48,818.70 = 13,821.44/x
  3. Step 3: Cross multiply
    32,540.81x = 48,818.70 × 13,821.44
  4. Step 4: Simplify right side
    32,540.81x = 674,744,488.83
  5. Step 5: Solve for x
    x = 674,744,488.83/32,540.81
  6. Step 6: Final answer
    x = 20,735.33

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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.