Home / 33,155.70-45,758.82-19,008.51

Finding the Fourth Proportional to 33,155.70, 45,758.82 and 19,008.51

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Solution

The fourth proportional to 33,155.70, 45,758.82 and 19,008.51 is: 26,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.70 : 45,758.82 = 19,008.51 : x
  2. Step 2: Convert to fraction form
    33,155.70/45,758.82 = 19,008.51/x
  3. Step 3: Cross multiply
    33,155.70x = 45,758.82 × 19,008.51
  4. Step 4: Simplify right side
    33,155.70x = 869,806,987.56
  5. Step 5: Solve for x
    x = 869,806,987.56/33,155.70
  6. Step 6: Final answer
    x = 26,234.01

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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.