Home / 20,354.80-30,533.88-5,563.84

Finding the Fourth Proportional to 20,354.80, 30,533.88 and 5,563.84

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Solution

The fourth proportional to 20,354.80, 30,533.88 and 5,563.84 is: 8,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.80 : 30,533.88 = 5,563.84 : x
  2. Step 2: Convert to fraction form
    20,354.80/30,533.88 = 5,563.84/x
  3. Step 3: Cross multiply
    20,354.80x = 30,533.88 × 5,563.84
  4. Step 4: Simplify right side
    20,354.80x = 169,885,622.90
  5. Step 5: Solve for x
    x = 169,885,622.90/20,354.80
  6. Step 6: Final answer
    x = 8,346.22

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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.