Home / 36,439.85-50,181.11-31,657.61

Finding the Fourth Proportional to 36,439.85, 50,181.11 and 31,657.61

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Solution

The fourth proportional to 36,439.85, 50,181.11 and 31,657.61 is: 43,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.85 : 50,181.11 = 31,657.61 : x
  2. Step 2: Convert to fraction form
    36,439.85/50,181.11 = 31,657.61/x
  3. Step 3: Cross multiply
    36,439.85x = 50,181.11 × 31,657.61
  4. Step 4: Simplify right side
    36,439.85x = 1,588,613,600.55
  5. Step 5: Solve for x
    x = 1,588,613,600.55/36,439.85
  6. Step 6: Final answer
    x = 43,595.51

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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.