Home / 57,734.60-86,611.98-18,284.36

Finding the Fourth Proportional to 57,734.60, 86,611.98 and 18,284.36

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Solution

The fourth proportional to 57,734.60, 86,611.98 and 18,284.36 is: 27,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.60 : 86,611.98 = 18,284.36 : x
  2. Step 2: Convert to fraction form
    57,734.60/86,611.98 = 18,284.36/x
  3. Step 3: Cross multiply
    57,734.60x = 86,611.98 × 18,284.36
  4. Step 4: Simplify right side
    57,734.60x = 1,583,644,622.63
  5. Step 5: Solve for x
    x = 1,583,644,622.63/57,734.60
  6. Step 6: Final answer
    x = 27,429.73

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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.