Home / 47,424.36-71,135-14,144.70

Finding the Fourth Proportional to 47,424.36, 71,135 and 14,144.70

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Solution

The fourth proportional to 47,424.36, 71,135 and 14,144.70 is: 21,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,424.36 : 71,135 = 14,144.70 : x
  2. Step 2: Convert to fraction form
    47,424.36/71,135 = 14,144.70/x
  3. Step 3: Cross multiply
    47,424.36x = 71,135 × 14,144.70
  4. Step 4: Simplify right side
    47,424.36x = 1,006,183,234.50
  5. Step 5: Solve for x
    x = 1,006,183,234.50/47,424.36
  6. Step 6: Final answer
    x = 21,216.59

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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.