Home / 57,734.48-86,604.12-18,290.72

Finding the Fourth Proportional to 57,734.48, 86,604.12 and 18,290.72

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Solution

The fourth proportional to 57,734.48, 86,604.12 and 18,290.72 is: 27,436.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.48 : 86,604.12 = 18,290.72 : x
  2. Step 2: Convert to fraction form
    57,734.48/86,604.12 = 18,290.72/x
  3. Step 3: Cross multiply
    57,734.48x = 86,604.12 × 18,290.72
  4. Step 4: Simplify right side
    57,734.48x = 1,584,051,709.77
  5. Step 5: Solve for x
    x = 1,584,051,709.77/57,734.48
  6. Step 6: Final answer
    x = 27,436.84

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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.