Home / 31,738.87-47,614.98-12,016.99

Finding the Fourth Proportional to 31,738.87, 47,614.98 and 12,016.99

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Solution

The fourth proportional to 31,738.87, 47,614.98 and 12,016.99 is: 18,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.87 : 47,614.98 = 12,016.99 : x
  2. Step 2: Convert to fraction form
    31,738.87/47,614.98 = 12,016.99/x
  3. Step 3: Cross multiply
    31,738.87x = 47,614.98 × 12,016.99
  4. Step 4: Simplify right side
    31,738.87x = 572,188,738.51
  5. Step 5: Solve for x
    x = 572,188,738.51/31,738.87
  6. Step 6: Final answer
    x = 18,028.01

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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.