Home / 20,162.35-30,243.49-5,371.32

Finding the Fourth Proportional to 20,162.35, 30,243.49 and 5,371.32

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Solution

The fourth proportional to 20,162.35, 30,243.49 and 5,371.32 is: 8,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.35 : 30,243.49 = 5,371.32 : x
  2. Step 2: Convert to fraction form
    20,162.35/30,243.49 = 5,371.32/x
  3. Step 3: Cross multiply
    20,162.35x = 30,243.49 × 5,371.32
  4. Step 4: Simplify right side
    20,162.35x = 162,447,462.71
  5. Step 5: Solve for x
    x = 162,447,462.71/20,162.35
  6. Step 6: Final answer
    x = 8,056.97

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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.