Home / 35,791.56-49,388.94-20,681.28

Finding the Fourth Proportional to 35,791.56, 49,388.94 and 20,681.28

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Solution

The fourth proportional to 35,791.56, 49,388.94 and 20,681.28 is: 28,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.56 : 49,388.94 = 20,681.28 : x
  2. Step 2: Convert to fraction form
    35,791.56/49,388.94 = 20,681.28/x
  3. Step 3: Cross multiply
    35,791.56x = 49,388.94 × 20,681.28
  4. Step 4: Simplify right side
    35,791.56x = 1,021,426,497.04
  5. Step 5: Solve for x
    x = 1,021,426,497.04/35,791.56
  6. Step 6: Final answer
    x = 28,538.19

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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.