Home / 31,382.46-47,043.99-11,647.62

Finding the Fourth Proportional to 31,382.46, 47,043.99 and 11,647.62

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Solution

The fourth proportional to 31,382.46, 47,043.99 and 11,647.62 is: 17,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.46 : 47,043.99 = 11,647.62 : x
  2. Step 2: Convert to fraction form
    31,382.46/47,043.99 = 11,647.62/x
  3. Step 3: Cross multiply
    31,382.46x = 47,043.99 × 11,647.62
  4. Step 4: Simplify right side
    31,382.46x = 547,950,518.80
  5. Step 5: Solve for x
    x = 547,950,518.80/31,382.46
  6. Step 6: Final answer
    x = 17,460.41

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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.