Home / 35,902.81-49,538.64-21,747.43

Finding the Fourth Proportional to 35,902.81, 49,538.64 and 21,747.43

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Solution

The fourth proportional to 35,902.81, 49,538.64 and 21,747.43 is: 30,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,902.81 : 49,538.64 = 21,747.43 : x
  2. Step 2: Convert to fraction form
    35,902.81/49,538.64 = 21,747.43/x
  3. Step 3: Cross multiply
    35,902.81x = 49,538.64 × 21,747.43
  4. Step 4: Simplify right side
    35,902.81x = 1,077,338,105.70
  5. Step 5: Solve for x
    x = 1,077,338,105.70/35,902.81
  6. Step 6: Final answer
    x = 30,007.07

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Why These Related Problems?

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