Home / 37,821.03-52,190.97-20,821.95

Finding the Fourth Proportional to 37,821.03, 52,190.97 and 20,821.95

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Solution

The fourth proportional to 37,821.03, 52,190.97 and 20,821.95 is: 28,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.03 : 52,190.97 = 20,821.95 : x
  2. Step 2: Convert to fraction form
    37,821.03/52,190.97 = 20,821.95/x
  3. Step 3: Cross multiply
    37,821.03x = 52,190.97 × 20,821.95
  4. Step 4: Simplify right side
    37,821.03x = 1,086,717,767.79
  5. Step 5: Solve for x
    x = 1,086,717,767.79/37,821.03
  6. Step 6: Final answer
    x = 28,733.16

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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.