Home / 45,388.84-68,083.28-14,226.52

Finding the Fourth Proportional to 45,388.84, 68,083.28 and 14,226.52

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Solution

The fourth proportional to 45,388.84, 68,083.28 and 14,226.52 is: 21,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388.84 : 68,083.28 = 14,226.52 : x
  2. Step 2: Convert to fraction form
    45,388.84/68,083.28 = 14,226.52/x
  3. Step 3: Cross multiply
    45,388.84x = 68,083.28 × 14,226.52
  4. Step 4: Simplify right side
    45,388.84x = 968,588,144.59
  5. Step 5: Solve for x
    x = 968,588,144.59/45,388.84
  6. Step 6: Final answer
    x = 21,339.79

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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.