Home / 29,221.23-43,818.89-18,127.47

Finding the Fourth Proportional to 29,221.23, 43,818.89 and 18,127.47

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Solution

The fourth proportional to 29,221.23, 43,818.89 and 18,127.47 is: 27,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.23 : 43,818.89 = 18,127.47 : x
  2. Step 2: Convert to fraction form
    29,221.23/43,818.89 = 18,127.47/x
  3. Step 3: Cross multiply
    29,221.23x = 43,818.89 × 18,127.47
  4. Step 4: Simplify right side
    29,221.23x = 794,325,523.27
  5. Step 5: Solve for x
    x = 794,325,523.27/29,221.23
  6. Step 6: Final answer
    x = 27,183.17

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1.5x scale

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.