Home / 37,039.84-51,115.38-21,125.22

Finding the Fourth Proportional to 37,039.84, 51,115.38 and 21,125.22

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Solution

The fourth proportional to 37,039.84, 51,115.38 and 21,125.22 is: 29,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,039.84 : 51,115.38 = 21,125.22 : x
  2. Step 2: Convert to fraction form
    37,039.84/51,115.38 = 21,125.22/x
  3. Step 3: Cross multiply
    37,039.84x = 51,115.38 × 21,125.22
  4. Step 4: Simplify right side
    37,039.84x = 1,079,823,647.88
  5. Step 5: Solve for x
    x = 1,079,823,647.88/37,039.84
  6. Step 6: Final answer
    x = 29,153.03

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1.5x scale

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.