Home / 49,790.30-68,709.78-27,129.56

Finding the Fourth Proportional to 49,790.30, 68,709.78 and 27,129.56

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Solution

The fourth proportional to 49,790.30, 68,709.78 and 27,129.56 is: 37,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,790.30 : 68,709.78 = 27,129.56 : x
  2. Step 2: Convert to fraction form
    49,790.30/68,709.78 = 27,129.56/x
  3. Step 3: Cross multiply
    49,790.30x = 68,709.78 × 27,129.56
  4. Step 4: Simplify right side
    49,790.30x = 1,864,066,099.10
  5. Step 5: Solve for x
    x = 1,864,066,099.10/49,790.30
  6. Step 6: Final answer
    x = 37,438.34

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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.