Home / 47,471.82-71,223.30-19,415.46

Finding the Fourth Proportional to 47,471.82, 71,223.30 and 19,415.46

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Solution

The fourth proportional to 47,471.82, 71,223.30 and 19,415.46 is: 29,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,471.82 : 71,223.30 = 19,415.46 : x
  2. Step 2: Convert to fraction form
    47,471.82/71,223.30 = 19,415.46/x
  3. Step 3: Cross multiply
    47,471.82x = 71,223.30 × 19,415.46
  4. Step 4: Simplify right side
    47,471.82x = 1,382,833,399.31
  5. Step 5: Solve for x
    x = 1,382,833,399.31/47,471.82
  6. Step 6: Final answer
    x = 29,129.57

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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.