Home / 20,039.72-30,051.21-5,994.68

Finding the Fourth Proportional to 20,039.72, 30,051.21 and 5,994.68

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Solution

The fourth proportional to 20,039.72, 30,051.21 and 5,994.68 is: 8,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.72 : 30,051.21 = 5,994.68 : x
  2. Step 2: Convert to fraction form
    20,039.72/30,051.21 = 5,994.68/x
  3. Step 3: Cross multiply
    20,039.72x = 30,051.21 × 5,994.68
  4. Step 4: Simplify right side
    20,039.72x = 180,147,387.56
  5. Step 5: Solve for x
    x = 180,147,387.56/20,039.72
  6. Step 6: Final answer
    x = 8,989.52

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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.