Home / 47,920.88-71,892.26-14,645.68

Finding the Fourth Proportional to 47,920.88, 71,892.26 and 14,645.68

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Solution

The fourth proportional to 47,920.88, 71,892.26 and 14,645.68 is: 21,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920.88 : 71,892.26 = 14,645.68 : x
  2. Step 2: Convert to fraction form
    47,920.88/71,892.26 = 14,645.68/x
  3. Step 3: Cross multiply
    47,920.88x = 71,892.26 × 14,645.68
  4. Step 4: Simplify right side
    47,920.88x = 1,052,910,601.75
  5. Step 5: Solve for x
    x = 1,052,910,601.75/47,920.88
  6. Step 6: Final answer
    x = 21,971.85

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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.