Home / 20,152.31-30,228.42-5,361.22

Finding the Fourth Proportional to 20,152.31, 30,228.42 and 5,361.22

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Solution

The fourth proportional to 20,152.31, 30,228.42 and 5,361.22 is: 8,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.31 : 30,228.42 = 5,361.22 : x
  2. Step 2: Convert to fraction form
    20,152.31/30,228.42 = 5,361.22/x
  3. Step 3: Cross multiply
    20,152.31x = 30,228.42 × 5,361.22
  4. Step 4: Simplify right side
    20,152.31x = 162,061,292.14
  5. Step 5: Solve for x
    x = 162,061,292.14/20,152.31
  6. Step 6: Final answer
    x = 8,041.82

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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.