Home / 57,984.36-86,977.36-16,431.36

Finding the Fourth Proportional to 57,984.36, 86,977.36 and 16,431.36

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Solution

The fourth proportional to 57,984.36, 86,977.36 and 16,431.36 is: 24,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,984.36 : 86,977.36 = 16,431.36 : x
  2. Step 2: Convert to fraction form
    57,984.36/86,977.36 = 16,431.36/x
  3. Step 3: Cross multiply
    57,984.36x = 86,977.36 × 16,431.36
  4. Step 4: Simplify right side
    57,984.36x = 1,429,156,314.01
  5. Step 5: Solve for x
    x = 1,429,156,314.01/57,984.36
  6. Step 6: Final answer
    x = 24,647.27

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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.