Home / 20,329.17-30,490.67-5,539.25

Finding the Fourth Proportional to 20,329.17, 30,490.67 and 5,539.25

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Solution

The fourth proportional to 20,329.17, 30,490.67 and 5,539.25 is: 8,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329.17 : 30,490.67 = 5,539.25 : x
  2. Step 2: Convert to fraction form
    20,329.17/30,490.67 = 5,539.25/x
  3. Step 3: Cross multiply
    20,329.17x = 30,490.67 × 5,539.25
  4. Step 4: Simplify right side
    20,329.17x = 168,895,533.87
  5. Step 5: Solve for x
    x = 168,895,533.87/20,329.17
  6. Step 6: Final answer
    x = 8,308.04

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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.