Home / 57,586.32-86,382.57-18,146.52

Finding the Fourth Proportional to 57,586.32, 86,382.57 and 18,146.52

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Solution

The fourth proportional to 57,586.32, 86,382.57 and 18,146.52 is: 27,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,586.32 : 86,382.57 = 18,146.52 : x
  2. Step 2: Convert to fraction form
    57,586.32/86,382.57 = 18,146.52/x
  3. Step 3: Cross multiply
    57,586.32x = 86,382.57 × 18,146.52
  4. Step 4: Simplify right side
    57,586.32x = 1,567,543,034.16
  5. Step 5: Solve for x
    x = 1,567,543,034.16/57,586.32
  6. Step 6: Final answer
    x = 27,220.75

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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.