Home / 57,678.83-86,517.70-18,235.94

Finding the Fourth Proportional to 57,678.83, 86,517.70 and 18,235.94

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Solution

The fourth proportional to 57,678.83, 86,517.70 and 18,235.94 is: 27,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,678.83 : 86,517.70 = 18,235.94 : x
  2. Step 2: Convert to fraction form
    57,678.83/86,517.70 = 18,235.94/x
  3. Step 3: Cross multiply
    57,678.83x = 86,517.70 × 18,235.94
  4. Step 4: Simplify right side
    57,678.83x = 1,577,731,586.14
  5. Step 5: Solve for x
    x = 1,577,731,586.14/57,678.83
  6. Step 6: Final answer
    x = 27,353.74

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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.