Home / 35,072.20-48,387.06-20,729.02

Finding the Fourth Proportional to 35,072.20, 48,387.06 and 20,729.02

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Solution

The fourth proportional to 35,072.20, 48,387.06 and 20,729.02 is: 28,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,072.20 : 48,387.06 = 20,729.02 : x
  2. Step 2: Convert to fraction form
    35,072.20/48,387.06 = 20,729.02/x
  3. Step 3: Cross multiply
    35,072.20x = 48,387.06 × 20,729.02
  4. Step 4: Simplify right side
    35,072.20x = 1,003,016,334.48
  5. Step 5: Solve for x
    x = 1,003,016,334.48/35,072.20
  6. Step 6: Final answer
    x = 28,598.61

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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.