Home / 47,429.28-71,163.06-21,116.04

Finding the Fourth Proportional to 47,429.28, 71,163.06 and 21,116.04

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Solution

The fourth proportional to 47,429.28, 71,163.06 and 21,116.04 is: 31,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,429.28 : 71,163.06 = 21,116.04 : x
  2. Step 2: Convert to fraction form
    47,429.28/71,163.06 = 21,116.04/x
  3. Step 3: Cross multiply
    47,429.28x = 71,163.06 × 21,116.04
  4. Step 4: Simplify right side
    47,429.28x = 1,502,682,021.48
  5. Step 5: Solve for x
    x = 1,502,682,021.48/47,429.28
  6. Step 6: Final answer
    x = 31,682.58

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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.