Home / 20,049.42-30,051.86-10,168.28

Finding the Fourth Proportional to 20,049.42, 30,051.86 and 10,168.28

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Solution

The fourth proportional to 20,049.42, 30,051.86 and 10,168.28 is: 15,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.42 : 30,051.86 = 10,168.28 : x
  2. Step 2: Convert to fraction form
    20,049.42/30,051.86 = 10,168.28/x
  3. Step 3: Cross multiply
    20,049.42x = 30,051.86 × 10,168.28
  4. Step 4: Simplify right side
    20,049.42x = 305,575,864.83
  5. Step 5: Solve for x
    x = 305,575,864.83/20,049.42
  6. Step 6: Final answer
    x = 15,241.13

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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.