Home / 47,731.88-71,610.78-14,453.06

Finding the Fourth Proportional to 47,731.88, 71,610.78 and 14,453.06

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Solution

The fourth proportional to 47,731.88, 71,610.78 and 14,453.06 is: 21,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.88 : 71,610.78 = 14,453.06 : x
  2. Step 2: Convert to fraction form
    47,731.88/71,610.78 = 14,453.06/x
  3. Step 3: Cross multiply
    47,731.88x = 71,610.78 × 14,453.06
  4. Step 4: Simplify right side
    47,731.88x = 1,034,994,899.99
  5. Step 5: Solve for x
    x = 1,034,994,899.99/47,731.88
  6. Step 6: Final answer
    x = 21,683.51

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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.