Home / 35,995.05-53,974.42-21,007.28

Finding the Fourth Proportional to 35,995.05, 53,974.42 and 21,007.28

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Solution

The fourth proportional to 35,995.05, 53,974.42 and 21,007.28 is: 31,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,995.05 : 53,974.42 = 21,007.28 : x
  2. Step 2: Convert to fraction form
    35,995.05/53,974.42 = 21,007.28/x
  3. Step 3: Cross multiply
    35,995.05x = 53,974.42 × 21,007.28
  4. Step 4: Simplify right side
    35,995.05x = 1,133,855,836.20
  5. Step 5: Solve for x
    x = 1,133,855,836.20/35,995.05
  6. Step 6: Final answer
    x = 31,500.33

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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.