Home / 31,535.05-43,516.39-17,388.01

Finding the Fourth Proportional to 31,535.05, 43,516.39 and 17,388.01

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Solution

The fourth proportional to 31,535.05, 43,516.39 and 17,388.01 is: 23,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.05 : 43,516.39 = 17,388.01 : x
  2. Step 2: Convert to fraction form
    31,535.05/43,516.39 = 17,388.01/x
  3. Step 3: Cross multiply
    31,535.05x = 43,516.39 × 17,388.01
  4. Step 4: Simplify right side
    31,535.05x = 756,663,337.54
  5. Step 5: Solve for x
    x = 756,663,337.54/31,535.05
  6. Step 6: Final answer
    x = 23,994.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.