Home / 45,805.60-68,680.32-19,495.36

Finding the Fourth Proportional to 45,805.60, 68,680.32 and 19,495.36

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Solution

The fourth proportional to 45,805.60, 68,680.32 and 19,495.36 is: 29,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.60 : 68,680.32 = 19,495.36 : x
  2. Step 2: Convert to fraction form
    45,805.60/68,680.32 = 19,495.36/x
  3. Step 3: Cross multiply
    45,805.60x = 68,680.32 × 19,495.36
  4. Step 4: Simplify right side
    45,805.60x = 1,338,947,563.32
  5. Step 5: Solve for x
    x = 1,338,947,563.32/45,805.60
  6. Step 6: Final answer
    x = 29,231.09

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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.