Home / 36,728.43-50,684.61-20,375.45

Finding the Fourth Proportional to 36,728.43, 50,684.61 and 20,375.45

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Solution

The fourth proportional to 36,728.43, 50,684.61 and 20,375.45 is: 28,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,728.43 : 50,684.61 = 20,375.45 : x
  2. Step 2: Convert to fraction form
    36,728.43/50,684.61 = 20,375.45/x
  3. Step 3: Cross multiply
    36,728.43x = 50,684.61 × 20,375.45
  4. Step 4: Simplify right side
    36,728.43x = 1,032,721,483.40
  5. Step 5: Solve for x
    x = 1,032,721,483.40/36,728.43
  6. Step 6: Final answer
    x = 28,117.77

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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.