Home / 35,907.20-49,550.64-19,991.24

Finding the Fourth Proportional to 35,907.20, 49,550.64 and 19,991.24

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Solution

The fourth proportional to 35,907.20, 49,550.64 and 19,991.24 is: 27,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.20 : 49,550.64 = 19,991.24 : x
  2. Step 2: Convert to fraction form
    35,907.20/49,550.64 = 19,991.24/x
  3. Step 3: Cross multiply
    35,907.20x = 49,550.64 × 19,991.24
  4. Step 4: Simplify right side
    35,907.20x = 990,578,736.39
  5. Step 5: Solve for x
    x = 990,578,736.39/35,907.20
  6. Step 6: Final answer
    x = 27,587.19

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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.