Home / 36,545.05-50,432.33-19,778.05

Finding the Fourth Proportional to 36,545.05, 50,432.33 and 19,778.05

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Solution

The fourth proportional to 36,545.05, 50,432.33 and 19,778.05 is: 27,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,545.05 : 50,432.33 = 19,778.05 : x
  2. Step 2: Convert to fraction form
    36,545.05/50,432.33 = 19,778.05/x
  3. Step 3: Cross multiply
    36,545.05x = 50,432.33 × 19,778.05
  4. Step 4: Simplify right side
    36,545.05x = 997,453,144.36
  5. Step 5: Solve for x
    x = 997,453,144.36/36,545.05
  6. Step 6: Final answer
    x = 27,293.80

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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.