Home / 40,992.11-61,490.38-12,914.37

Finding the Fourth Proportional to 40,992.11, 61,490.38 and 12,914.37

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Solution

The fourth proportional to 40,992.11, 61,490.38 and 12,914.37 is: 19,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.11 : 61,490.38 = 12,914.37 : x
  2. Step 2: Convert to fraction form
    40,992.11/61,490.38 = 12,914.37/x
  3. Step 3: Cross multiply
    40,992.11x = 61,490.38 × 12,914.37
  4. Step 4: Simplify right side
    40,992.11x = 794,109,518.76
  5. Step 5: Solve for x
    x = 794,109,518.76/40,992.11
  6. Step 6: Final answer
    x = 19,372.25

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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.