Home / 49,965.08-68,949.90-28,751.18

Finding the Fourth Proportional to 49,965.08, 68,949.90 and 28,751.18

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Solution

The fourth proportional to 49,965.08, 68,949.90 and 28,751.18 is: 39,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965.08 : 68,949.90 = 28,751.18 : x
  2. Step 2: Convert to fraction form
    49,965.08/68,949.90 = 28,751.18/x
  3. Step 3: Cross multiply
    49,965.08x = 68,949.90 × 28,751.18
  4. Step 4: Simplify right side
    49,965.08x = 1,982,390,985.88
  5. Step 5: Solve for x
    x = 1,982,390,985.88/49,965.08
  6. Step 6: Final answer
    x = 39,675.53

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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.