Home / 33,386.30-50,079.34-8,428.34

Finding the Fourth Proportional to 33,386.30, 50,079.34 and 8,428.34

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Solution

The fourth proportional to 33,386.30, 50,079.34 and 8,428.34 is: 12,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,386.30 : 50,079.34 = 8,428.34 : x
  2. Step 2: Convert to fraction form
    33,386.30/50,079.34 = 8,428.34/x
  3. Step 3: Cross multiply
    33,386.30x = 50,079.34 × 8,428.34
  4. Step 4: Simplify right side
    33,386.30x = 422,085,704.50
  5. Step 5: Solve for x
    x = 422,085,704.50/33,386.30
  6. Step 6: Final answer
    x = 12,642.48

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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.