Home / 31,480.20-47,214.99-11,753.46

Finding the Fourth Proportional to 31,480.20, 47,214.99 and 11,753.46

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Solution

The fourth proportional to 31,480.20, 47,214.99 and 11,753.46 is: 17,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.20 : 47,214.99 = 11,753.46 : x
  2. Step 2: Convert to fraction form
    31,480.20/47,214.99 = 11,753.46/x
  3. Step 3: Cross multiply
    31,480.20x = 47,214.99 × 11,753.46
  4. Step 4: Simplify right side
    31,480.20x = 554,939,496.37
  5. Step 5: Solve for x
    x = 554,939,496.37/31,480.20
  6. Step 6: Final answer
    x = 17,628.21

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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.