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Finding the Fourth Proportional to 29,696.51, 44,544.80 and 8,920.01

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Solution

The fourth proportional to 29,696.51, 44,544.80 and 8,920.01 is: 13,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,696.51 : 44,544.80 = 8,920.01 : x
  2. Step 2: Convert to fraction form
    29,696.51/44,544.80 = 8,920.01/x
  3. Step 3: Cross multiply
    29,696.51x = 44,544.80 × 8,920.01
  4. Step 4: Simplify right side
    29,696.51x = 397,340,195.11
  5. Step 5: Solve for x
    x = 397,340,195.11/29,696.51
  6. Step 6: Final answer
    x = 13,380.03

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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.