Home / 33,126.42-49,688.19-8,165.28

Finding the Fourth Proportional to 33,126.42, 49,688.19 and 8,165.28

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Solution

The fourth proportional to 33,126.42, 49,688.19 and 8,165.28 is: 12,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,126.42 : 49,688.19 = 8,165.28 : x
  2. Step 2: Convert to fraction form
    33,126.42/49,688.19 = 8,165.28/x
  3. Step 3: Cross multiply
    33,126.42x = 49,688.19 × 8,165.28
  4. Step 4: Simplify right side
    33,126.42x = 405,717,984.04
  5. Step 5: Solve for x
    x = 405,717,984.04/33,126.42
  6. Step 6: Final answer
    x = 12,247.57

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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.