Home / 37,039.96-51,115.20-21,124

Finding the Fourth Proportional to 37,039.96, 51,115.20 and 21,124

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Solution

The fourth proportional to 37,039.96, 51,115.20 and 21,124 is: 29,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,039.96 : 51,115.20 = 21,124 : x
  2. Step 2: Convert to fraction form
    37,039.96/51,115.20 = 21,124/x
  3. Step 3: Cross multiply
    37,039.96x = 51,115.20 × 21,124
  4. Step 4: Simplify right side
    37,039.96x = 1,079,757,484.80
  5. Step 5: Solve for x
    x = 1,079,757,484.80/37,039.96
  6. Step 6: Final answer
    x = 29,151.15

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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.