Home / 57,478.25-86,231.96-18,035.71

Finding the Fourth Proportional to 57,478.25, 86,231.96 and 18,035.71

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Solution

The fourth proportional to 57,478.25, 86,231.96 and 18,035.71 is: 27,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478.25 : 86,231.96 = 18,035.71 : x
  2. Step 2: Convert to fraction form
    57,478.25/86,231.96 = 18,035.71/x
  3. Step 3: Cross multiply
    57,478.25x = 86,231.96 × 18,035.71
  4. Step 4: Simplify right side
    57,478.25x = 1,555,254,452.80
  5. Step 5: Solve for x
    x = 1,555,254,452.80/57,478.25
  6. Step 6: Final answer
    x = 27,058.14

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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.