Home / 57,583.71-86,408.37-20,151.84

Finding the Fourth Proportional to 57,583.71, 86,408.37 and 20,151.84

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Solution

The fourth proportional to 57,583.71, 86,408.37 and 20,151.84 is: 30,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,583.71 : 86,408.37 = 20,151.84 : x
  2. Step 2: Convert to fraction form
    57,583.71/86,408.37 = 20,151.84/x
  3. Step 3: Cross multiply
    57,583.71x = 86,408.37 × 20,151.84
  4. Step 4: Simplify right side
    57,583.71x = 1,741,287,484.89
  5. Step 5: Solve for x
    x = 1,741,287,484.89/57,583.71
  6. Step 6: Final answer
    x = 30,239.24

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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.