Home / 45,582.06-68,380.32-19,287

Finding the Fourth Proportional to 45,582.06, 68,380.32 and 19,287

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Solution

The fourth proportional to 45,582.06, 68,380.32 and 19,287 is: 28,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,582.06 : 68,380.32 = 19,287 : x
  2. Step 2: Convert to fraction form
    45,582.06/68,380.32 = 19,287/x
  3. Step 3: Cross multiply
    45,582.06x = 68,380.32 × 19,287
  4. Step 4: Simplify right side
    45,582.06x = 1,318,851,231.84
  5. Step 5: Solve for x
    x = 1,318,851,231.84/45,582.06
  6. Step 6: Final answer
    x = 28,933.56

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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.