Home / 57,984.62-86,975.78-18,541.71

Finding the Fourth Proportional to 57,984.62, 86,975.78 and 18,541.71

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Solution

The fourth proportional to 57,984.62, 86,975.78 and 18,541.71 is: 27,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,984.62 : 86,975.78 = 18,541.71 : x
  2. Step 2: Convert to fraction form
    57,984.62/86,975.78 = 18,541.71/x
  3. Step 3: Cross multiply
    57,984.62x = 86,975.78 × 18,541.71
  4. Step 4: Simplify right side
    57,984.62x = 1,612,679,597.08
  5. Step 5: Solve for x
    x = 1,612,679,597.08/57,984.62
  6. Step 6: Final answer
    x = 27,812.20

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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.