Home / 37,064.12-51,144.66-21,145.50

Finding the Fourth Proportional to 37,064.12, 51,144.66 and 21,145.50

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Solution

The fourth proportional to 37,064.12, 51,144.66 and 21,145.50 is: 29,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,064.12 : 51,144.66 = 21,145.50 : x
  2. Step 2: Convert to fraction form
    37,064.12/51,144.66 = 21,145.50/x
  3. Step 3: Cross multiply
    37,064.12x = 51,144.66 × 21,145.50
  4. Step 4: Simplify right side
    37,064.12x = 1,081,479,408.03
  5. Step 5: Solve for x
    x = 1,081,479,408.03/37,064.12
  6. Step 6: Final answer
    x = 29,178.61

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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.