Home / 32,930.20-49,419.60-13,222.90

Finding the Fourth Proportional to 32,930.20, 49,419.60 and 13,222.90

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Solution

The fourth proportional to 32,930.20, 49,419.60 and 13,222.90 is: 19,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,930.20 : 49,419.60 = 13,222.90 : x
  2. Step 2: Convert to fraction form
    32,930.20/49,419.60 = 13,222.90/x
  3. Step 3: Cross multiply
    32,930.20x = 49,419.60 × 13,222.90
  4. Step 4: Simplify right side
    32,930.20x = 653,470,428.84
  5. Step 5: Solve for x
    x = 653,470,428.84/32,930.20
  6. Step 6: Final answer
    x = 19,844.11

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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.