Home / 36,308.64-50,103.57-20,392.80

Finding the Fourth Proportional to 36,308.64, 50,103.57 and 20,392.80

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Solution

The fourth proportional to 36,308.64, 50,103.57 and 20,392.80 is: 28,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,308.64 : 50,103.57 = 20,392.80 : x
  2. Step 2: Convert to fraction form
    36,308.64/50,103.57 = 20,392.80/x
  3. Step 3: Cross multiply
    36,308.64x = 50,103.57 × 20,392.80
  4. Step 4: Simplify right side
    36,308.64x = 1,021,752,082.30
  5. Step 5: Solve for x
    x = 1,021,752,082.30/36,308.64
  6. Step 6: Final answer
    x = 28,140.74

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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.