Home / 37,839.75-52,218.87-21,072.75

Finding the Fourth Proportional to 37,839.75, 52,218.87 and 21,072.75

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Solution

The fourth proportional to 37,839.75, 52,218.87 and 21,072.75 is: 29,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,839.75 : 52,218.87 = 21,072.75 : x
  2. Step 2: Convert to fraction form
    37,839.75/52,218.87 = 21,072.75/x
  3. Step 3: Cross multiply
    37,839.75x = 52,218.87 × 21,072.75
  4. Step 4: Simplify right side
    37,839.75x = 1,100,395,192.79
  5. Step 5: Solve for x
    x = 1,100,395,192.79/37,839.75
  6. Step 6: Final answer
    x = 29,080.40

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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.