Home / 49,761.81-68,758.70-39,772.67

Finding the Fourth Proportional to 49,761.81, 68,758.70 and 39,772.67

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Solution

The fourth proportional to 49,761.81, 68,758.70 and 39,772.67 is: 54,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761.81 : 68,758.70 = 39,772.67 : x
  2. Step 2: Convert to fraction form
    49,761.81/68,758.70 = 39,772.67/x
  3. Step 3: Cross multiply
    49,761.81x = 68,758.70 × 39,772.67
  4. Step 4: Simplify right side
    49,761.81x = 2,734,716,542.07
  5. Step 5: Solve for x
    x = 2,734,716,542.07/49,761.81
  6. Step 6: Final answer
    x = 54,956.13

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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.