Home / 47,670.72-71,506.17-19,571.21

Finding the Fourth Proportional to 47,670.72, 71,506.17 and 19,571.21

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Solution

The fourth proportional to 47,670.72, 71,506.17 and 19,571.21 is: 29,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,670.72 : 71,506.17 = 19,571.21 : x
  2. Step 2: Convert to fraction form
    47,670.72/71,506.17 = 19,571.21/x
  3. Step 3: Cross multiply
    47,670.72x = 71,506.17 × 19,571.21
  4. Step 4: Simplify right side
    47,670.72x = 1,399,462,269.37
  5. Step 5: Solve for x
    x = 1,399,462,269.37/47,670.72
  6. Step 6: Final answer
    x = 29,356.85

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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.