Home / 47,342.68-71,015.82-15,755.56

Finding the Fourth Proportional to 47,342.68, 71,015.82 and 15,755.56

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Solution

The fourth proportional to 47,342.68, 71,015.82 and 15,755.56 is: 23,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342.68 : 71,015.82 = 15,755.56 : x
  2. Step 2: Convert to fraction form
    47,342.68/71,015.82 = 15,755.56/x
  3. Step 3: Cross multiply
    47,342.68x = 71,015.82 × 15,755.56
  4. Step 4: Simplify right side
    47,342.68x = 1,118,894,012.96
  5. Step 5: Solve for x
    x = 1,118,894,012.96/47,342.68
  6. Step 6: Final answer
    x = 23,633.94

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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.