Home / 49,640.77-68,520.23-31,783.87

Finding the Fourth Proportional to 49,640.77, 68,520.23 and 31,783.87

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Solution

The fourth proportional to 49,640.77, 68,520.23 and 31,783.87 is: 43,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.77 : 68,520.23 = 31,783.87 : x
  2. Step 2: Convert to fraction form
    49,640.77/68,520.23 = 31,783.87/x
  3. Step 3: Cross multiply
    49,640.77x = 68,520.23 × 31,783.87
  4. Step 4: Simplify right side
    49,640.77x = 2,177,838,082.69
  5. Step 5: Solve for x
    x = 2,177,838,082.69/49,640.77
  6. Step 6: Final answer
    x = 43,871.96

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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.