Home / 20,310.06-30,317.96-17,554.44

Finding the Fourth Proportional to 20,310.06, 30,317.96 and 17,554.44

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Solution

The fourth proportional to 20,310.06, 30,317.96 and 17,554.44 is: 26,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310.06 : 30,317.96 = 17,554.44 : x
  2. Step 2: Convert to fraction form
    20,310.06/30,317.96 = 17,554.44/x
  3. Step 3: Cross multiply
    20,310.06x = 30,317.96 × 17,554.44
  4. Step 4: Simplify right side
    20,310.06x = 532,214,721.97
  5. Step 5: Solve for x
    x = 532,214,721.97/20,310.06
  6. Step 6: Final answer
    x = 26,204.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.