Home / 20,369.00-30,553.26-5,577.91

Finding the Fourth Proportional to 20,369.00, 30,553.26 and 5,577.91

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Solution

The fourth proportional to 20,369.00, 30,553.26 and 5,577.91 is: 8,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369.00 : 30,553.26 = 5,577.91 : x
  2. Step 2: Convert to fraction form
    20,369.00/30,553.26 = 5,577.91/x
  3. Step 3: Cross multiply
    20,369.00x = 30,553.26 × 5,577.91
  4. Step 4: Simplify right side
    20,369.00x = 170,423,237.19
  5. Step 5: Solve for x
    x = 170,423,237.19/20,369.00
  6. Step 6: Final answer
    x = 8,366.79

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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.