Home / 45,387.24-68,039.36-19,093.84

Finding the Fourth Proportional to 45,387.24, 68,039.36 and 19,093.84

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Solution

The fourth proportional to 45,387.24, 68,039.36 and 19,093.84 is: 28,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,387.24 : 68,039.36 = 19,093.84 : x
  2. Step 2: Convert to fraction form
    45,387.24/68,039.36 = 19,093.84/x
  3. Step 3: Cross multiply
    45,387.24x = 68,039.36 × 19,093.84
  4. Step 4: Simplify right side
    45,387.24x = 1,299,132,653.54
  5. Step 5: Solve for x
    x = 1,299,132,653.54/45,387.24
  6. Step 6: Final answer
    x = 28,623.30

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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.