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Finding the Fourth Proportional to 35,356.02, 48,791.61 and 20,250.06

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Solution

The fourth proportional to 35,356.02, 48,791.61 and 20,250.06 is: 27,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.02 : 48,791.61 = 20,250.06 : x
  2. Step 2: Convert to fraction form
    35,356.02/48,791.61 = 20,250.06/x
  3. Step 3: Cross multiply
    35,356.02x = 48,791.61 × 20,250.06
  4. Step 4: Simplify right side
    35,356.02x = 988,033,030.00
  5. Step 5: Solve for x
    x = 988,033,030.00/35,356.02
  6. Step 6: Final answer
    x = 27,945.26

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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.