Home / 36,404.20-50,235.64-20,487.72

Finding the Fourth Proportional to 36,404.20, 50,235.64 and 20,487.72

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Solution

The fourth proportional to 36,404.20, 50,235.64 and 20,487.72 is: 28,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,404.20 : 50,235.64 = 20,487.72 : x
  2. Step 2: Convert to fraction form
    36,404.20/50,235.64 = 20,487.72/x
  3. Step 3: Cross multiply
    36,404.20x = 50,235.64 × 20,487.72
  4. Step 4: Simplify right side
    36,404.20x = 1,029,213,726.34
  5. Step 5: Solve for x
    x = 1,029,213,726.34/36,404.20
  6. Step 6: Final answer
    x = 28,271.84

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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.