Home / 45,054.92-67,578.60-13,890.44

Finding the Fourth Proportional to 45,054.92, 67,578.60 and 13,890.44

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Solution

The fourth proportional to 45,054.92, 67,578.60 and 13,890.44 is: 20,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,054.92 : 67,578.60 = 13,890.44 : x
  2. Step 2: Convert to fraction form
    45,054.92/67,578.60 = 13,890.44/x
  3. Step 3: Cross multiply
    45,054.92x = 67,578.60 × 13,890.44
  4. Step 4: Simplify right side
    45,054.92x = 938,696,488.58
  5. Step 5: Solve for x
    x = 938,696,488.58/45,054.92
  6. Step 6: Final answer
    x = 20,834.49

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1.5x scale

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.