Home / 37,839.68-52,218.24-21,072.80

Finding the Fourth Proportional to 37,839.68, 52,218.24 and 21,072.80

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Solution

The fourth proportional to 37,839.68, 52,218.24 and 21,072.80 is: 29,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,839.68 : 52,218.24 = 21,072.80 : x
  2. Step 2: Convert to fraction form
    37,839.68/52,218.24 = 21,072.80/x
  3. Step 3: Cross multiply
    37,839.68x = 52,218.24 × 21,072.80
  4. Step 4: Simplify right side
    37,839.68x = 1,100,384,527.87
  5. Step 5: Solve for x
    x = 1,100,384,527.87/37,839.68
  6. Step 6: Final answer
    x = 29,080.18

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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.