Home / 20,367.97-30,551.93-5,577.01

Finding the Fourth Proportional to 20,367.97, 30,551.93 and 5,577.01

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Solution

The fourth proportional to 20,367.97, 30,551.93 and 5,577.01 is: 8,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.97 : 30,551.93 = 5,577.01 : x
  2. Step 2: Convert to fraction form
    20,367.97/30,551.93 = 5,577.01/x
  3. Step 3: Cross multiply
    20,367.97x = 30,551.93 × 5,577.01
  4. Step 4: Simplify right side
    20,367.97x = 170,388,419.13
  5. Step 5: Solve for x
    x = 170,388,419.13/20,367.97
  6. Step 6: Final answer
    x = 8,365.51

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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.