Home / 57,942.24-86,918.40-16,389.60

Finding the Fourth Proportional to 57,942.24, 86,918.40 and 16,389.60

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Solution

The fourth proportional to 57,942.24, 86,918.40 and 16,389.60 is: 24,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,942.24 : 86,918.40 = 16,389.60 : x
  2. Step 2: Convert to fraction form
    57,942.24/86,918.40 = 16,389.60/x
  3. Step 3: Cross multiply
    57,942.24x = 86,918.40 × 16,389.60
  4. Step 4: Simplify right side
    57,942.24x = 1,424,557,808.64
  5. Step 5: Solve for x
    x = 1,424,557,808.64/57,942.24
  6. Step 6: Final answer
    x = 24,585.83

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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.