Home / 33,182.79-45,789.21-19,757.31

Finding the Fourth Proportional to 33,182.79, 45,789.21 and 19,757.31

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Solution

The fourth proportional to 33,182.79, 45,789.21 and 19,757.31 is: 27,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.79 : 45,789.21 = 19,757.31 : x
  2. Step 2: Convert to fraction form
    33,182.79/45,789.21 = 19,757.31/x
  3. Step 3: Cross multiply
    33,182.79x = 45,789.21 × 19,757.31
  4. Step 4: Simplify right side
    33,182.79x = 904,671,616.63
  5. Step 5: Solve for x
    x = 904,671,616.63/33,182.79
  6. Step 6: Final answer
    x = 27,263.28

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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.