Home / 57,464.12-86,197.08-18,021.57

Finding the Fourth Proportional to 57,464.12, 86,197.08 and 18,021.57

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Solution

The fourth proportional to 57,464.12, 86,197.08 and 18,021.57 is: 27,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,464.12 : 86,197.08 = 18,021.57 : x
  2. Step 2: Convert to fraction form
    57,464.12/86,197.08 = 18,021.57/x
  3. Step 3: Cross multiply
    57,464.12x = 86,197.08 × 18,021.57
  4. Step 4: Simplify right side
    57,464.12x = 1,553,406,711.02
  5. Step 5: Solve for x
    x = 1,553,406,711.02/57,464.12
  6. Step 6: Final answer
    x = 27,032.64

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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.