Home / 36,524.13-50,403.08-20,390.50

Finding the Fourth Proportional to 36,524.13, 50,403.08 and 20,390.50

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Solution

The fourth proportional to 36,524.13, 50,403.08 and 20,390.50 is: 28,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,524.13 : 50,403.08 = 20,390.50 : x
  2. Step 2: Convert to fraction form
    36,524.13/50,403.08 = 20,390.50/x
  3. Step 3: Cross multiply
    36,524.13x = 50,403.08 × 20,390.50
  4. Step 4: Simplify right side
    36,524.13x = 1,027,744,002.74
  5. Step 5: Solve for x
    x = 1,027,744,002.74/36,524.13
  6. Step 6: Final answer
    x = 28,138.77

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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.