Home / 33,003.92-45,545.09-18,666.55

Finding the Fourth Proportional to 33,003.92, 45,545.09 and 18,666.55

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Solution

The fourth proportional to 33,003.92, 45,545.09 and 18,666.55 is: 25,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,003.92 : 45,545.09 = 18,666.55 : x
  2. Step 2: Convert to fraction form
    33,003.92/45,545.09 = 18,666.55/x
  3. Step 3: Cross multiply
    33,003.92x = 45,545.09 × 18,666.55
  4. Step 4: Simplify right side
    33,003.92x = 850,169,663.34
  5. Step 5: Solve for x
    x = 850,169,663.34/33,003.92
  6. Step 6: Final answer
    x = 25,759.66

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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.