Home / 36,545.78-50,432.83-20,629.89

Finding the Fourth Proportional to 36,545.78, 50,432.83 and 20,629.89

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Solution

The fourth proportional to 36,545.78, 50,432.83 and 20,629.89 is: 28,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,545.78 : 50,432.83 = 20,629.89 : x
  2. Step 2: Convert to fraction form
    36,545.78/50,432.83 = 20,629.89/x
  3. Step 3: Cross multiply
    36,545.78x = 50,432.83 × 20,629.89
  4. Step 4: Simplify right side
    36,545.78x = 1,040,423,683.71
  5. Step 5: Solve for x
    x = 1,040,423,683.71/36,545.78
  6. Step 6: Final answer
    x = 28,469.05

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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.