Home / 35,078.16-52,557.84-21,198

Finding the Fourth Proportional to 35,078.16, 52,557.84 and 21,198

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Solution

The fourth proportional to 35,078.16, 52,557.84 and 21,198 is: 31,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.16 : 52,557.84 = 21,198 : x
  2. Step 2: Convert to fraction form
    35,078.16/52,557.84 = 21,198/x
  3. Step 3: Cross multiply
    35,078.16x = 52,557.84 × 21,198
  4. Step 4: Simplify right side
    35,078.16x = 1,114,121,092.32
  5. Step 5: Solve for x
    x = 1,114,121,092.32/35,078.16
  6. Step 6: Final answer
    x = 31,761.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.