Home / 20,152.30-30,225.06-5,361.42

Finding the Fourth Proportional to 20,152.30, 30,225.06 and 5,361.42

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Solution

The fourth proportional to 20,152.30, 30,225.06 and 5,361.42 is: 8,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.30 : 30,225.06 = 5,361.42 : x
  2. Step 2: Convert to fraction form
    20,152.30/30,225.06 = 5,361.42/x
  3. Step 3: Cross multiply
    20,152.30x = 30,225.06 × 5,361.42
  4. Step 4: Simplify right side
    20,152.30x = 162,049,241.19
  5. Step 5: Solve for x
    x = 162,049,241.19/20,152.30
  6. Step 6: Final answer
    x = 8,041.23

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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.