Home / 47,845.11-71,783.03-14,571.61

Finding the Fourth Proportional to 47,845.11, 71,783.03 and 14,571.61

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Solution

The fourth proportional to 47,845.11, 71,783.03 and 14,571.61 is: 21,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,845.11 : 71,783.03 = 14,571.61 : x
  2. Step 2: Convert to fraction form
    47,845.11/71,783.03 = 14,571.61/x
  3. Step 3: Cross multiply
    47,845.11x = 71,783.03 × 14,571.61
  4. Step 4: Simplify right side
    47,845.11x = 1,045,994,317.78
  5. Step 5: Solve for x
    x = 1,045,994,317.78/47,845.11
  6. Step 6: Final answer
    x = 21,862.09

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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.