Home / 29,118.02-43,693.94-12,249.79

Finding the Fourth Proportional to 29,118.02, 43,693.94 and 12,249.79

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Solution

The fourth proportional to 29,118.02, 43,693.94 and 12,249.79 is: 18,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.02 : 43,693.94 = 12,249.79 : x
  2. Step 2: Convert to fraction form
    29,118.02/43,693.94 = 12,249.79/x
  3. Step 3: Cross multiply
    29,118.02x = 43,693.94 × 12,249.79
  4. Step 4: Simplify right side
    29,118.02x = 535,241,510.66
  5. Step 5: Solve for x
    x = 535,241,510.66/29,118.02
  6. Step 6: Final answer
    x = 18,381.80

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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.