Home / 47,824.38-71,743.22-21,168.26

Finding the Fourth Proportional to 47,824.38, 71,743.22 and 21,168.26

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Solution

The fourth proportional to 47,824.38, 71,743.22 and 21,168.26 is: 31,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,824.38 : 71,743.22 = 21,168.26 : x
  2. Step 2: Convert to fraction form
    47,824.38/71,743.22 = 21,168.26/x
  3. Step 3: Cross multiply
    47,824.38x = 71,743.22 × 21,168.26
  4. Step 4: Simplify right side
    47,824.38x = 1,518,679,207.71
  5. Step 5: Solve for x
    x = 1,518,679,207.71/47,824.38
  6. Step 6: Final answer
    x = 31,755.33

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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.