Home / 33,581.28-46,338.48-19,431.84

Finding the Fourth Proportional to 33,581.28, 46,338.48 and 19,431.84

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Solution

The fourth proportional to 33,581.28, 46,338.48 and 19,431.84 is: 26,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,581.28 : 46,338.48 = 19,431.84 : x
  2. Step 2: Convert to fraction form
    33,581.28/46,338.48 = 19,431.84/x
  3. Step 3: Cross multiply
    33,581.28x = 46,338.48 × 19,431.84
  4. Step 4: Simplify right side
    33,581.28x = 900,441,929.20
  5. Step 5: Solve for x
    x = 900,441,929.20/33,581.28
  6. Step 6: Final answer
    x = 26,813.81

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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.