Home / 57,665.45-86,497.65-18,222.57

Finding the Fourth Proportional to 57,665.45, 86,497.65 and 18,222.57

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Solution

The fourth proportional to 57,665.45, 86,497.65 and 18,222.57 is: 27,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,665.45 : 86,497.65 = 18,222.57 : x
  2. Step 2: Convert to fraction form
    57,665.45/86,497.65 = 18,222.57/x
  3. Step 3: Cross multiply
    57,665.45x = 86,497.65 × 18,222.57
  4. Step 4: Simplify right side
    57,665.45x = 1,576,209,481.96
  5. Step 5: Solve for x
    x = 1,576,209,481.96/57,665.45
  6. Step 6: Final answer
    x = 27,333.69

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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.