Home / 20,234.56-30,352.43-5,443.49

Finding the Fourth Proportional to 20,234.56, 30,352.43 and 5,443.49

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Solution

The fourth proportional to 20,234.56, 30,352.43 and 5,443.49 is: 8,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.56 : 30,352.43 = 5,443.49 : x
  2. Step 2: Convert to fraction form
    20,234.56/30,352.43 = 5,443.49/x
  3. Step 3: Cross multiply
    20,234.56x = 30,352.43 × 5,443.49
  4. Step 4: Simplify right side
    20,234.56x = 165,223,011.03
  5. Step 5: Solve for x
    x = 165,223,011.03/20,234.56
  6. Step 6: Final answer
    x = 8,165.39

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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.