Home / 49,864.51-68,819.42-28,647.88

Finding the Fourth Proportional to 49,864.51, 68,819.42 and 28,647.88

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Solution

The fourth proportional to 49,864.51, 68,819.42 and 28,647.88 is: 39,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,864.51 : 68,819.42 = 28,647.88 : x
  2. Step 2: Convert to fraction form
    49,864.51/68,819.42 = 28,647.88/x
  3. Step 3: Cross multiply
    49,864.51x = 68,819.42 × 28,647.88
  4. Step 4: Simplify right side
    49,864.51x = 1,971,530,385.40
  5. Step 5: Solve for x
    x = 1,971,530,385.40/49,864.51
  6. Step 6: Final answer
    x = 39,537.75

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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.