Home / 33,154.36-45,737.90-19,717.98

Finding the Fourth Proportional to 33,154.36, 45,737.90 and 19,717.98

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Solution

The fourth proportional to 33,154.36, 45,737.90 and 19,717.98 is: 27,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.36 : 45,737.90 = 19,717.98 : x
  2. Step 2: Convert to fraction form
    33,154.36/45,737.90 = 19,717.98/x
  3. Step 3: Cross multiply
    33,154.36x = 45,737.90 × 19,717.98
  4. Step 4: Simplify right side
    33,154.36x = 901,858,997.44
  5. Step 5: Solve for x
    x = 901,858,997.44/33,154.36
  6. Step 6: Final answer
    x = 27,201.82

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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.