Home / 45,436.04-68,163.29-18,784.41

Finding the Fourth Proportional to 45,436.04, 68,163.29 and 18,784.41

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Solution

The fourth proportional to 45,436.04, 68,163.29 and 18,784.41 is: 28,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,436.04 : 68,163.29 = 18,784.41 : x
  2. Step 2: Convert to fraction form
    45,436.04/68,163.29 = 18,784.41/x
  3. Step 3: Cross multiply
    45,436.04x = 68,163.29 × 18,784.41
  4. Step 4: Simplify right side
    45,436.04x = 1,280,407,092.39
  5. Step 5: Solve for x
    x = 1,280,407,092.39/45,436.04
  6. Step 6: Final answer
    x = 28,180.43

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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.