Home / 45,180.99-67,794.72-21,515.37

Finding the Fourth Proportional to 45,180.99, 67,794.72 and 21,515.37

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Solution

The fourth proportional to 45,180.99, 67,794.72 and 21,515.37 is: 32,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,180.99 : 67,794.72 = 21,515.37 : x
  2. Step 2: Convert to fraction form
    45,180.99/67,794.72 = 21,515.37/x
  3. Step 3: Cross multiply
    45,180.99x = 67,794.72 × 21,515.37
  4. Step 4: Simplify right side
    45,180.99x = 1,458,628,652.30
  5. Step 5: Solve for x
    x = 1,458,628,652.30/45,180.99
  6. Step 6: Final answer
    x = 32,284.12

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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.