Home / 32,120.20-48,110.13-13,343.31

Finding the Fourth Proportional to 32,120.20, 48,110.13 and 13,343.31

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Solution

The fourth proportional to 32,120.20, 48,110.13 and 13,343.31 is: 19,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,120.20 : 48,110.13 = 13,343.31 : x
  2. Step 2: Convert to fraction form
    32,120.20/48,110.13 = 13,343.31/x
  3. Step 3: Cross multiply
    32,120.20x = 48,110.13 × 13,343.31
  4. Step 4: Simplify right side
    32,120.20x = 641,948,224.77
  5. Step 5: Solve for x
    x = 641,948,224.77/32,120.20
  6. Step 6: Final answer
    x = 19,985.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.