Home / 36,847.45-50,849.22-20,931.90

Finding the Fourth Proportional to 36,847.45, 50,849.22 and 20,931.90

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Solution

The fourth proportional to 36,847.45, 50,849.22 and 20,931.90 is: 28,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,847.45 : 50,849.22 = 20,931.90 : x
  2. Step 2: Convert to fraction form
    36,847.45/50,849.22 = 20,931.90/x
  3. Step 3: Cross multiply
    36,847.45x = 50,849.22 × 20,931.90
  4. Step 4: Simplify right side
    36,847.45x = 1,064,370,691.97
  5. Step 5: Solve for x
    x = 1,064,370,691.97/36,847.45
  6. Step 6: Final answer
    x = 28,885.87

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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.