Home / 50,218.99-69,299.22-28,711.06

Finding the Fourth Proportional to 50,218.99, 69,299.22 and 28,711.06

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Solution

The fourth proportional to 50,218.99, 69,299.22 and 28,711.06 is: 39,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,218.99 : 69,299.22 = 28,711.06 : x
  2. Step 2: Convert to fraction form
    50,218.99/69,299.22 = 28,711.06/x
  3. Step 3: Cross multiply
    50,218.99x = 69,299.22 × 28,711.06
  4. Step 4: Simplify right side
    50,218.99x = 1,989,654,063.37
  5. Step 5: Solve for x
    x = 1,989,654,063.37/50,218.99
  6. Step 6: Final answer
    x = 39,619.56

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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.