Home / 45,190.98-67,698.26-21,464.78

Finding the Fourth Proportional to 45,190.98, 67,698.26 and 21,464.78

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Solution

The fourth proportional to 45,190.98, 67,698.26 and 21,464.78 is: 32,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,190.98 : 67,698.26 = 21,464.78 : x
  2. Step 2: Convert to fraction form
    45,190.98/67,698.26 = 21,464.78/x
  3. Step 3: Cross multiply
    45,190.98x = 67,698.26 × 21,464.78
  4. Step 4: Simplify right side
    45,190.98x = 1,453,128,257.28
  5. Step 5: Solve for x
    x = 1,453,128,257.28/45,190.98
  6. Step 6: Final answer
    x = 32,155.27

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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.