Home / 45,562.14-68,368.73-19,286.55

Finding the Fourth Proportional to 45,562.14, 68,368.73 and 19,286.55

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Solution

The fourth proportional to 45,562.14, 68,368.73 and 19,286.55 is: 28,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,562.14 : 68,368.73 = 19,286.55 : x
  2. Step 2: Convert to fraction form
    45,562.14/68,368.73 = 19,286.55/x
  3. Step 3: Cross multiply
    45,562.14x = 68,368.73 × 19,286.55
  4. Step 4: Simplify right side
    45,562.14x = 1,318,596,929.58
  5. Step 5: Solve for x
    x = 1,318,596,929.58/45,562.14
  6. Step 6: Final answer
    x = 28,940.63

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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.