Home / 20,152.25-30,228.32-5,361.17

Finding the Fourth Proportional to 20,152.25, 30,228.32 and 5,361.17

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Solution

The fourth proportional to 20,152.25, 30,228.32 and 5,361.17 is: 8,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.25 : 30,228.32 = 5,361.17 : x
  2. Step 2: Convert to fraction form
    20,152.25/30,228.32 = 5,361.17/x
  3. Step 3: Cross multiply
    20,152.25x = 30,228.32 × 5,361.17
  4. Step 4: Simplify right side
    20,152.25x = 162,059,024.60
  5. Step 5: Solve for x
    x = 162,059,024.60/20,152.25
  6. Step 6: Final answer
    x = 8,041.74

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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.