Home / 45,196.32-67,767.14-20,231.72

Finding the Fourth Proportional to 45,196.32, 67,767.14 and 20,231.72

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Solution

The fourth proportional to 45,196.32, 67,767.14 and 20,231.72 is: 30,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,196.32 : 67,767.14 = 20,231.72 : x
  2. Step 2: Convert to fraction form
    45,196.32/67,767.14 = 20,231.72/x
  3. Step 3: Cross multiply
    45,196.32x = 67,767.14 × 20,231.72
  4. Step 4: Simplify right side
    45,196.32x = 1,371,045,653.75
  5. Step 5: Solve for x
    x = 1,371,045,653.75/45,196.32
  6. Step 6: Final answer
    x = 30,335.34

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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.