Home / 57,588.42-86,396.26-18,145.40

Finding the Fourth Proportional to 57,588.42, 86,396.26 and 18,145.40

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Solution

The fourth proportional to 57,588.42, 86,396.26 and 18,145.40 is: 27,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,588.42 : 86,396.26 = 18,145.40 : x
  2. Step 2: Convert to fraction form
    57,588.42/86,396.26 = 18,145.40/x
  3. Step 3: Cross multiply
    57,588.42x = 86,396.26 × 18,145.40
  4. Step 4: Simplify right side
    57,588.42x = 1,567,694,696.20
  5. Step 5: Solve for x
    x = 1,567,694,696.20/57,588.42
  6. Step 6: Final answer
    x = 27,222.39

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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.