Home / 39,906.20-59,729.70-31,093.40

Finding the Fourth Proportional to 39,906.20, 59,729.70 and 31,093.40

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Solution

The fourth proportional to 39,906.20, 59,729.70 and 31,093.40 is: 46,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.20 : 59,729.70 = 31,093.40 : x
  2. Step 2: Convert to fraction form
    39,906.20/59,729.70 = 31,093.40/x
  3. Step 3: Cross multiply
    39,906.20x = 59,729.70 × 31,093.40
  4. Step 4: Simplify right side
    39,906.20x = 1,857,199,453.98
  5. Step 5: Solve for x
    x = 1,857,199,453.98/39,906.20
  6. Step 6: Final answer
    x = 46,539.12

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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.