Home / 49,892.10-68,850.09-28,670.82

Finding the Fourth Proportional to 49,892.10, 68,850.09 and 28,670.82

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Solution

The fourth proportional to 49,892.10, 68,850.09 and 28,670.82 is: 39,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,892.10 : 68,850.09 = 28,670.82 : x
  2. Step 2: Convert to fraction form
    49,892.10/68,850.09 = 28,670.82/x
  3. Step 3: Cross multiply
    49,892.10x = 68,850.09 × 28,670.82
  4. Step 4: Simplify right side
    49,892.10x = 1,973,988,537.37
  5. Step 5: Solve for x
    x = 1,973,988,537.37/49,892.10
  6. Step 6: Final answer
    x = 39,565.15

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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.