Home / 20,824.43-31,236.33-5,029.32

Finding the Fourth Proportional to 20,824.43, 31,236.33 and 5,029.32

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Solution

The fourth proportional to 20,824.43, 31,236.33 and 5,029.32 is: 7,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824.43 : 31,236.33 = 5,029.32 : x
  2. Step 2: Convert to fraction form
    20,824.43/31,236.33 = 5,029.32/x
  3. Step 3: Cross multiply
    20,824.43x = 31,236.33 × 5,029.32
  4. Step 4: Simplify right side
    20,824.43x = 157,097,635.19
  5. Step 5: Solve for x
    x = 157,097,635.19/20,824.43
  6. Step 6: Final answer
    x = 7,543.91

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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.