Home / 32,964.36-49,396.32-21,121.38

Finding the Fourth Proportional to 32,964.36, 49,396.32 and 21,121.38

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Solution

The fourth proportional to 32,964.36, 49,396.32 and 21,121.38 is: 31,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,964.36 : 49,396.32 = 21,121.38 : x
  2. Step 2: Convert to fraction form
    32,964.36/49,396.32 = 21,121.38/x
  3. Step 3: Cross multiply
    32,964.36x = 49,396.32 × 21,121.38
  4. Step 4: Simplify right side
    32,964.36x = 1,043,318,445.32
  5. Step 5: Solve for x
    x = 1,043,318,445.32/32,964.36
  6. Step 6: Final answer
    x = 31,649.89

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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.