Home / 35,809.80-53,685.24-15,805.09

Finding the Fourth Proportional to 35,809.80, 53,685.24 and 15,805.09

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Solution

The fourth proportional to 35,809.80, 53,685.24 and 15,805.09 is: 23,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.80 : 53,685.24 = 15,805.09 : x
  2. Step 2: Convert to fraction form
    35,809.80/53,685.24 = 15,805.09/x
  3. Step 3: Cross multiply
    35,809.80x = 53,685.24 × 15,805.09
  4. Step 4: Simplify right side
    35,809.80x = 848,500,049.87
  5. Step 5: Solve for x
    x = 848,500,049.87/35,809.80
  6. Step 6: Final answer
    x = 23,694.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.