Home / 35,765.90-49,356.96-19,850.36

Finding the Fourth Proportional to 35,765.90, 49,356.96 and 19,850.36

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Solution

The fourth proportional to 35,765.90, 49,356.96 and 19,850.36 is: 27,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,765.90 : 49,356.96 = 19,850.36 : x
  2. Step 2: Convert to fraction form
    35,765.90/49,356.96 = 19,850.36/x
  3. Step 3: Cross multiply
    35,765.90x = 49,356.96 × 19,850.36
  4. Step 4: Simplify right side
    35,765.90x = 979,753,424.51
  5. Step 5: Solve for x
    x = 979,753,424.51/35,765.90
  6. Step 6: Final answer
    x = 27,393.51

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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.