Home / 45,558.14-68,362.73-19,282.55

Finding the Fourth Proportional to 45,558.14, 68,362.73 and 19,282.55

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Solution

The fourth proportional to 45,558.14, 68,362.73 and 19,282.55 is: 28,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,558.14 : 68,362.73 = 19,282.55 : x
  2. Step 2: Convert to fraction form
    45,558.14/68,362.73 = 19,282.55/x
  3. Step 3: Cross multiply
    45,558.14x = 68,362.73 × 19,282.55
  4. Step 4: Simplify right side
    45,558.14x = 1,318,207,662.95
  5. Step 5: Solve for x
    x = 1,318,207,662.95/45,558.14
  6. Step 6: Final answer
    x = 28,934.62

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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.