Home / 49,738.91-68,640.81-28,230.08

Finding the Fourth Proportional to 49,738.91, 68,640.81 and 28,230.08

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Solution

The fourth proportional to 49,738.91, 68,640.81 and 28,230.08 is: 38,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.91 : 68,640.81 = 28,230.08 : x
  2. Step 2: Convert to fraction form
    49,738.91/68,640.81 = 28,230.08/x
  3. Step 3: Cross multiply
    49,738.91x = 68,640.81 × 28,230.08
  4. Step 4: Simplify right side
    49,738.91x = 1,937,735,557.56
  5. Step 5: Solve for x
    x = 1,937,735,557.56/49,738.91
  6. Step 6: Final answer
    x = 38,958.14

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1.5x scale

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.