Home / 20,118.53-30,179.15-5,327.26

Finding the Fourth Proportional to 20,118.53, 30,179.15 and 5,327.26

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Solution

The fourth proportional to 20,118.53, 30,179.15 and 5,327.26 is: 7,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118.53 : 30,179.15 = 5,327.26 : x
  2. Step 2: Convert to fraction form
    20,118.53/30,179.15 = 5,327.26/x
  3. Step 3: Cross multiply
    20,118.53x = 30,179.15 × 5,327.26
  4. Step 4: Simplify right side
    20,118.53x = 160,772,001.10
  5. Step 5: Solve for x
    x = 160,772,001.10/20,118.53
  6. Step 6: Final answer
    x = 7,991.24

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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.