Home / 49,721.08-68,616.66-28,507

Finding the Fourth Proportional to 49,721.08, 68,616.66 and 28,507

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Solution

The fourth proportional to 49,721.08, 68,616.66 and 28,507 is: 39,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.08 : 68,616.66 = 28,507 : x
  2. Step 2: Convert to fraction form
    49,721.08/68,616.66 = 28,507/x
  3. Step 3: Cross multiply
    49,721.08x = 68,616.66 × 28,507
  4. Step 4: Simplify right side
    49,721.08x = 1,956,055,126.62
  5. Step 5: Solve for x
    x = 1,956,055,126.62/49,721.08
  6. Step 6: Final answer
    x = 39,340.56

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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.