Home / 29,878.15-41,231.53-16,449.13

Finding the Fourth Proportional to 29,878.15, 41,231.53 and 16,449.13

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Solution

The fourth proportional to 29,878.15, 41,231.53 and 16,449.13 is: 22,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,878.15 : 41,231.53 = 16,449.13 : x
  2. Step 2: Convert to fraction form
    29,878.15/41,231.53 = 16,449.13/x
  3. Step 3: Cross multiply
    29,878.15x = 41,231.53 × 16,449.13
  4. Step 4: Simplify right side
    29,878.15x = 678,222,811.19
  5. Step 5: Solve for x
    x = 678,222,811.19/29,878.15
  6. Step 6: Final answer
    x = 22,699.63

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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.