Home / 20,536.88-30,805.38-4,954.50

Finding the Fourth Proportional to 20,536.88, 30,805.38 and 4,954.50

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Solution

The fourth proportional to 20,536.88, 30,805.38 and 4,954.50 is: 7,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.88 : 30,805.38 = 4,954.50 : x
  2. Step 2: Convert to fraction form
    20,536.88/30,805.38 = 4,954.50/x
  3. Step 3: Cross multiply
    20,536.88x = 30,805.38 × 4,954.50
  4. Step 4: Simplify right side
    20,536.88x = 152,625,255.21
  5. Step 5: Solve for x
    x = 152,625,255.21/20,536.88
  6. Step 6: Final answer
    x = 7,431.77

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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.