Home / 45,824.40-68,734.07-12,542.09

Finding the Fourth Proportional to 45,824.40, 68,734.07 and 12,542.09

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Solution

The fourth proportional to 45,824.40, 68,734.07 and 12,542.09 is: 18,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,824.40 : 68,734.07 = 12,542.09 : x
  2. Step 2: Convert to fraction form
    45,824.40/68,734.07 = 12,542.09/x
  3. Step 3: Cross multiply
    45,824.40x = 68,734.07 × 12,542.09
  4. Step 4: Simplify right side
    45,824.40x = 862,068,485.63
  5. Step 5: Solve for x
    x = 862,068,485.63/45,824.40
  6. Step 6: Final answer
    x = 18,812.43

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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.