Home / 45,196.30-67,782.30-18,895.60

Finding the Fourth Proportional to 45,196.30, 67,782.30 and 18,895.60

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Solution

The fourth proportional to 45,196.30, 67,782.30 and 18,895.60 is: 28,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,196.30 : 67,782.30 = 18,895.60 : x
  2. Step 2: Convert to fraction form
    45,196.30/67,782.30 = 18,895.60/x
  3. Step 3: Cross multiply
    45,196.30x = 67,782.30 × 18,895.60
  4. Step 4: Simplify right side
    45,196.30x = 1,280,787,227.88
  5. Step 5: Solve for x
    x = 1,280,787,227.88/45,196.30
  6. Step 6: Final answer
    x = 28,338.32

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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.