Home / 36,455.04-54,682.56-20,861.82

Finding the Fourth Proportional to 36,455.04, 54,682.56 and 20,861.82

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Solution

The fourth proportional to 36,455.04, 54,682.56 and 20,861.82 is: 31,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,455.04 : 54,682.56 = 20,861.82 : x
  2. Step 2: Convert to fraction form
    36,455.04/54,682.56 = 20,861.82/x
  3. Step 3: Cross multiply
    36,455.04x = 54,682.56 × 20,861.82
  4. Step 4: Simplify right side
    36,455.04x = 1,140,777,723.86
  5. Step 5: Solve for x
    x = 1,140,777,723.86/36,455.04
  6. Step 6: Final answer
    x = 31,292.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.