Home / 49,385.87-68,152.92-28,980.14

Finding the Fourth Proportional to 49,385.87, 68,152.92 and 28,980.14

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Solution

The fourth proportional to 49,385.87, 68,152.92 and 28,980.14 is: 39,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,385.87 : 68,152.92 = 28,980.14 : x
  2. Step 2: Convert to fraction form
    49,385.87/68,152.92 = 28,980.14/x
  3. Step 3: Cross multiply
    49,385.87x = 68,152.92 × 28,980.14
  4. Step 4: Simplify right side
    49,385.87x = 1,975,081,163.01
  5. Step 5: Solve for x
    x = 1,975,081,163.01/49,385.87
  6. Step 6: Final answer
    x = 39,992.84

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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.