Home / 47,758.86-71,669.38-18,176.96

Finding the Fourth Proportional to 47,758.86, 71,669.38 and 18,176.96

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Solution

The fourth proportional to 47,758.86, 71,669.38 and 18,176.96 is: 27,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,758.86 : 71,669.38 = 18,176.96 : x
  2. Step 2: Convert to fraction form
    47,758.86/71,669.38 = 18,176.96/x
  3. Step 3: Cross multiply
    47,758.86x = 71,669.38 × 18,176.96
  4. Step 4: Simplify right side
    47,758.86x = 1,302,731,453.48
  5. Step 5: Solve for x
    x = 1,302,731,453.48/47,758.86
  6. Step 6: Final answer
    x = 27,277.27

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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.