Home / 33,899.79-46,772.13-19,749.90

Finding the Fourth Proportional to 33,899.79, 46,772.13 and 19,749.90

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Solution

The fourth proportional to 33,899.79, 46,772.13 and 19,749.90 is: 27,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,899.79 : 46,772.13 = 19,749.90 : x
  2. Step 2: Convert to fraction form
    33,899.79/46,772.13 = 19,749.90/x
  3. Step 3: Cross multiply
    33,899.79x = 46,772.13 × 19,749.90
  4. Step 4: Simplify right side
    33,899.79x = 923,744,890.29
  5. Step 5: Solve for x
    x = 923,744,890.29/33,899.79
  6. Step 6: Final answer
    x = 27,249.28

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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.