Home / 45,234.17-67,829.27-13,638.38

Finding the Fourth Proportional to 45,234.17, 67,829.27 and 13,638.38

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Solution

The fourth proportional to 45,234.17, 67,829.27 and 13,638.38 is: 20,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,234.17 : 67,829.27 = 13,638.38 : x
  2. Step 2: Convert to fraction form
    45,234.17/67,829.27 = 13,638.38/x
  3. Step 3: Cross multiply
    45,234.17x = 67,829.27 × 13,638.38
  4. Step 4: Simplify right side
    45,234.17x = 925,081,067.12
  5. Step 5: Solve for x
    x = 925,081,067.12/45,234.17
  6. Step 6: Final answer
    x = 20,450.93

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1.5x scale

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.