Home / 33,216.48-45,815.28-19,777.32

Finding the Fourth Proportional to 33,216.48, 45,815.28 and 19,777.32

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Solution

The fourth proportional to 33,216.48, 45,815.28 and 19,777.32 is: 27,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.48 : 45,815.28 = 19,777.32 : x
  2. Step 2: Convert to fraction form
    33,216.48/45,815.28 = 19,777.32/x
  3. Step 3: Cross multiply
    33,216.48x = 45,815.28 × 19,777.32
  4. Step 4: Simplify right side
    33,216.48x = 906,103,453.45
  5. Step 5: Solve for x
    x = 906,103,453.45/33,216.48
  6. Step 6: Final answer
    x = 27,278.73

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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.