Home / 50,109.28-69,142.68-29,974.48

Finding the Fourth Proportional to 50,109.28, 69,142.68 and 29,974.48

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Solution

The fourth proportional to 50,109.28, 69,142.68 and 29,974.48 is: 41,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,109.28 : 69,142.68 = 29,974.48 : x
  2. Step 2: Convert to fraction form
    50,109.28/69,142.68 = 29,974.48/x
  3. Step 3: Cross multiply
    50,109.28x = 69,142.68 × 29,974.48
  4. Step 4: Simplify right side
    50,109.28x = 2,072,515,878.81
  5. Step 5: Solve for x
    x = 2,072,515,878.81/50,109.28
  6. Step 6: Final answer
    x = 41,359.92

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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.