Home / 20,388.11-30,577.42-5,598.22

Finding the Fourth Proportional to 20,388.11, 30,577.42 and 5,598.22

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Solution

The fourth proportional to 20,388.11, 30,577.42 and 5,598.22 is: 8,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,388.11 : 30,577.42 = 5,598.22 : x
  2. Step 2: Convert to fraction form
    20,388.11/30,577.42 = 5,598.22/x
  3. Step 3: Cross multiply
    20,388.11x = 30,577.42 × 5,598.22
  4. Step 4: Simplify right side
    20,388.11x = 171,178,943.31
  5. Step 5: Solve for x
    x = 171,178,943.31/20,388.11
  6. Step 6: Final answer
    x = 8,396.02

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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.