Home / 33,156.81-49,718.43-15,372.18

Finding the Fourth Proportional to 33,156.81, 49,718.43 and 15,372.18

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Solution

The fourth proportional to 33,156.81, 49,718.43 and 15,372.18 is: 23,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156.81 : 49,718.43 = 15,372.18 : x
  2. Step 2: Convert to fraction form
    33,156.81/49,718.43 = 15,372.18/x
  3. Step 3: Cross multiply
    33,156.81x = 49,718.43 × 15,372.18
  4. Step 4: Simplify right side
    33,156.81x = 764,280,655.28
  5. Step 5: Solve for x
    x = 764,280,655.28/33,156.81
  6. Step 6: Final answer
    x = 23,050.49

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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.