Home / 47,645.46-71,451.42-19,557.36

Finding the Fourth Proportional to 47,645.46, 71,451.42 and 19,557.36

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Solution

The fourth proportional to 47,645.46, 71,451.42 and 19,557.36 is: 29,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,645.46 : 71,451.42 = 19,557.36 : x
  2. Step 2: Convert to fraction form
    47,645.46/71,451.42 = 19,557.36/x
  3. Step 3: Cross multiply
    47,645.46x = 71,451.42 × 19,557.36
  4. Step 4: Simplify right side
    47,645.46x = 1,397,401,143.45
  5. Step 5: Solve for x
    x = 1,397,401,143.45/47,645.46
  6. Step 6: Final answer
    x = 29,329.16

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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.