Home / 34,777.48-47,992.46-18,861.62

Finding the Fourth Proportional to 34,777.48, 47,992.46 and 18,861.62

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Solution

The fourth proportional to 34,777.48, 47,992.46 and 18,861.62 is: 26,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,777.48 : 47,992.46 = 18,861.62 : x
  2. Step 2: Convert to fraction form
    34,777.48/47,992.46 = 18,861.62/x
  3. Step 3: Cross multiply
    34,777.48x = 47,992.46 × 18,861.62
  4. Step 4: Simplify right side
    34,777.48x = 905,215,543.39
  5. Step 5: Solve for x
    x = 905,215,543.39/34,777.48
  6. Step 6: Final answer
    x = 26,028.78

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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.