Home / 45,403.10-68,081.94-16,930.41

Finding the Fourth Proportional to 45,403.10, 68,081.94 and 16,930.41

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Solution

The fourth proportional to 45,403.10, 68,081.94 and 16,930.41 is: 25,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403.10 : 68,081.94 = 16,930.41 : x
  2. Step 2: Convert to fraction form
    45,403.10/68,081.94 = 16,930.41/x
  3. Step 3: Cross multiply
    45,403.10x = 68,081.94 × 16,930.41
  4. Step 4: Simplify right side
    45,403.10x = 1,152,655,157.80
  5. Step 5: Solve for x
    x = 1,152,655,157.80/45,403.10
  6. Step 6: Final answer
    x = 25,387.15

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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.