Home / 50,140.65-69,201.03-28,919.46

Finding the Fourth Proportional to 50,140.65, 69,201.03 and 28,919.46

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Solution

The fourth proportional to 50,140.65, 69,201.03 and 28,919.46 is: 39,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,140.65 : 69,201.03 = 28,919.46 : x
  2. Step 2: Convert to fraction form
    50,140.65/69,201.03 = 28,919.46/x
  3. Step 3: Cross multiply
    50,140.65x = 69,201.03 × 28,919.46
  4. Step 4: Simplify right side
    50,140.65x = 2,001,256,419.04
  5. Step 5: Solve for x
    x = 2,001,256,419.04/50,140.65
  6. Step 6: Final answer
    x = 39,912.85

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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.