Home / 57,867.98-86,808.38-18,415.91

Finding the Fourth Proportional to 57,867.98, 86,808.38 and 18,415.91

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Solution

The fourth proportional to 57,867.98, 86,808.38 and 18,415.91 is: 27,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,867.98 : 86,808.38 = 18,415.91 : x
  2. Step 2: Convert to fraction form
    57,867.98/86,808.38 = 18,415.91/x
  3. Step 3: Cross multiply
    57,867.98x = 86,808.38 × 18,415.91
  4. Step 4: Simplify right side
    57,867.98x = 1,598,655,438.27
  5. Step 5: Solve for x
    x = 1,598,655,438.27/57,867.98
  6. Step 6: Final answer
    x = 27,625.91

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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.