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Finding the Fourth Proportional to 35,356.50, 48,791.98 and 19,442.04

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Solution

The fourth proportional to 35,356.50, 48,791.98 and 19,442.04 is: 26,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.50 : 48,791.98 = 19,442.04 : x
  2. Step 2: Convert to fraction form
    35,356.50/48,791.98 = 19,442.04/x
  3. Step 3: Cross multiply
    35,356.50x = 48,791.98 × 19,442.04
  4. Step 4: Simplify right side
    35,356.50x = 948,615,626.84
  5. Step 5: Solve for x
    x = 948,615,626.84/35,356.50
  6. Step 6: Final answer
    x = 26,830.02

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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.