Home / 45,804.54-68,705.94-14,639.78

Finding the Fourth Proportional to 45,804.54, 68,705.94 and 14,639.78

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Solution

The fourth proportional to 45,804.54, 68,705.94 and 14,639.78 is: 21,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,804.54 : 68,705.94 = 14,639.78 : x
  2. Step 2: Convert to fraction form
    45,804.54/68,705.94 = 14,639.78/x
  3. Step 3: Cross multiply
    45,804.54x = 68,705.94 × 14,639.78
  4. Step 4: Simplify right side
    45,804.54x = 1,005,839,846.29
  5. Step 5: Solve for x
    x = 1,005,839,846.29/45,804.54
  6. Step 6: Final answer
    x = 21,959.39

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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.