Home / 36,137.84-49,875.60-21,039.44

Finding the Fourth Proportional to 36,137.84, 49,875.60 and 21,039.44

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Solution

The fourth proportional to 36,137.84, 49,875.60 and 21,039.44 is: 29,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,137.84 : 49,875.60 = 21,039.44 : x
  2. Step 2: Convert to fraction form
    36,137.84/49,875.60 = 21,039.44/x
  3. Step 3: Cross multiply
    36,137.84x = 49,875.60 × 21,039.44
  4. Step 4: Simplify right side
    36,137.84x = 1,049,354,693.66
  5. Step 5: Solve for x
    x = 1,049,354,693.66/36,137.84
  6. Step 6: Final answer
    x = 29,037.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.