Home / 32,821.60-49,232.40-13,103.20

Finding the Fourth Proportional to 32,821.60, 49,232.40 and 13,103.20

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Solution

The fourth proportional to 32,821.60, 49,232.40 and 13,103.20 is: 19,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,821.60 : 49,232.40 = 13,103.20 : x
  2. Step 2: Convert to fraction form
    32,821.60/49,232.40 = 13,103.20/x
  3. Step 3: Cross multiply
    32,821.60x = 49,232.40 × 13,103.20
  4. Step 4: Simplify right side
    32,821.60x = 645,101,983.68
  5. Step 5: Solve for x
    x = 645,101,983.68/32,821.60
  6. Step 6: Final answer
    x = 19,654.80

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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.