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Finding the Fourth Proportional to 36,393.59, 54,590.39 and 20,800.28

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Solution

The fourth proportional to 36,393.59, 54,590.39 and 20,800.28 is: 31,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393.59 : 54,590.39 = 20,800.28 : x
  2. Step 2: Convert to fraction form
    36,393.59/54,590.39 = 20,800.28/x
  3. Step 3: Cross multiply
    36,393.59x = 54,590.39 × 20,800.28
  4. Step 4: Simplify right side
    36,393.59x = 1,135,495,397.31
  5. Step 5: Solve for x
    x = 1,135,495,397.31/36,393.59
  6. Step 6: Final answer
    x = 31,200.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.