Home / 36,431.52-54,648.63-12,734.43

Finding the Fourth Proportional to 36,431.52, 54,648.63 and 12,734.43

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Solution

The fourth proportional to 36,431.52, 54,648.63 and 12,734.43 is: 19,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.52 : 54,648.63 = 12,734.43 : x
  2. Step 2: Convert to fraction form
    36,431.52/54,648.63 = 12,734.43/x
  3. Step 3: Cross multiply
    36,431.52x = 54,648.63 × 12,734.43
  4. Step 4: Simplify right side
    36,431.52x = 695,919,291.61
  5. Step 5: Solve for x
    x = 695,919,291.61/36,431.52
  6. Step 6: Final answer
    x = 19,102.12

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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.