Home / 45,024.78-67,538.04-13,860

Finding the Fourth Proportional to 45,024.78, 67,538.04 and 13,860

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Solution

The fourth proportional to 45,024.78, 67,538.04 and 13,860 is: 20,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,024.78 : 67,538.04 = 13,860 : x
  2. Step 2: Convert to fraction form
    45,024.78/67,538.04 = 13,860/x
  3. Step 3: Cross multiply
    45,024.78x = 67,538.04 × 13,860
  4. Step 4: Simplify right side
    45,024.78x = 936,077,234.40
  5. Step 5: Solve for x
    x = 936,077,234.40/45,024.78
  6. Step 6: Final answer
    x = 20,790.27

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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.