Home / 57,867.41-86,807.35-18,415.30

Finding the Fourth Proportional to 57,867.41, 86,807.35 and 18,415.30

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Solution

The fourth proportional to 57,867.41, 86,807.35 and 18,415.30 is: 27,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,867.41 : 86,807.35 = 18,415.30 : x
  2. Step 2: Convert to fraction form
    57,867.41/86,807.35 = 18,415.30/x
  3. Step 3: Cross multiply
    57,867.41x = 86,807.35 × 18,415.30
  4. Step 4: Simplify right side
    57,867.41x = 1,598,583,257.63
  5. Step 5: Solve for x
    x = 1,598,583,257.63/57,867.41
  6. Step 6: Final answer
    x = 27,624.93

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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.