Home / 47,735.11-71,625.75-19,675.90

Finding the Fourth Proportional to 47,735.11, 71,625.75 and 19,675.90

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Solution

The fourth proportional to 47,735.11, 71,625.75 and 19,675.90 is: 29,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,735.11 : 71,625.75 = 19,675.90 : x
  2. Step 2: Convert to fraction form
    47,735.11/71,625.75 = 19,675.90/x
  3. Step 3: Cross multiply
    47,735.11x = 71,625.75 × 19,675.90
  4. Step 4: Simplify right side
    47,735.11x = 1,409,301,094.43
  5. Step 5: Solve for x
    x = 1,409,301,094.43/47,735.11
  6. Step 6: Final answer
    x = 29,523.37

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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.