Home / 49,849.16-68,802.48-28,640.12

Finding the Fourth Proportional to 49,849.16, 68,802.48 and 28,640.12

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Solution

The fourth proportional to 49,849.16, 68,802.48 and 28,640.12 is: 39,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,849.16 : 68,802.48 = 28,640.12 : x
  2. Step 2: Convert to fraction form
    49,849.16/68,802.48 = 28,640.12/x
  3. Step 3: Cross multiply
    49,849.16x = 68,802.48 × 28,640.12
  4. Step 4: Simplify right side
    49,849.16x = 1,970,510,939.49
  5. Step 5: Solve for x
    x = 1,970,510,939.49/49,849.16
  6. Step 6: Final answer
    x = 39,529.48

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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.