Home / 35,918.97-49,572.71-21,770.01

Finding the Fourth Proportional to 35,918.97, 49,572.71 and 21,770.01

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Solution

The fourth proportional to 35,918.97, 49,572.71 and 21,770.01 is: 30,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.97 : 49,572.71 = 21,770.01 : x
  2. Step 2: Convert to fraction form
    35,918.97/49,572.71 = 21,770.01/x
  3. Step 3: Cross multiply
    35,918.97x = 49,572.71 × 21,770.01
  4. Step 4: Simplify right side
    35,918.97x = 1,079,198,283.58
  5. Step 5: Solve for x
    x = 1,079,198,283.58/35,918.97
  6. Step 6: Final answer
    x = 30,045.36

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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.