Home / 33,102.09-45,695.61-19,677.69

Finding the Fourth Proportional to 33,102.09, 45,695.61 and 19,677.69

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Solution

The fourth proportional to 33,102.09, 45,695.61 and 19,677.69 is: 27,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,102.09 : 45,695.61 = 19,677.69 : x
  2. Step 2: Convert to fraction form
    33,102.09/45,695.61 = 19,677.69/x
  3. Step 3: Cross multiply
    33,102.09x = 45,695.61 × 19,677.69
  4. Step 4: Simplify right side
    33,102.09x = 899,184,047.94
  5. Step 5: Solve for x
    x = 899,184,047.94/33,102.09
  6. Step 6: Final answer
    x = 27,163.97

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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.