Home / 47,379.09-71,044.85-15,777.99

Finding the Fourth Proportional to 47,379.09, 71,044.85 and 15,777.99

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Solution

The fourth proportional to 47,379.09, 71,044.85 and 15,777.99 is: 23,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,379.09 : 71,044.85 = 15,777.99 : x
  2. Step 2: Convert to fraction form
    47,379.09/71,044.85 = 15,777.99/x
  3. Step 3: Cross multiply
    47,379.09x = 71,044.85 × 15,777.99
  4. Step 4: Simplify right side
    47,379.09x = 1,120,944,883.55
  5. Step 5: Solve for x
    x = 1,120,944,883.55/47,379.09
  6. Step 6: Final answer
    x = 23,659.06

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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.