Home / 35,725.70-53,574.82-16,991.30

Finding the Fourth Proportional to 35,725.70, 53,574.82 and 16,991.30

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Solution

The fourth proportional to 35,725.70, 53,574.82 and 16,991.30 is: 25,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,725.70 : 53,574.82 = 16,991.30 : x
  2. Step 2: Convert to fraction form
    35,725.70/53,574.82 = 16,991.30/x
  3. Step 3: Cross multiply
    35,725.70x = 53,574.82 × 16,991.30
  4. Step 4: Simplify right side
    35,725.70x = 910,305,839.07
  5. Step 5: Solve for x
    x = 910,305,839.07/35,725.70
  6. Step 6: Final answer
    x = 25,480.42

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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.