Home / 32,729.80-49,138.38-21,052.84

Finding the Fourth Proportional to 32,729.80, 49,138.38 and 21,052.84

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Solution

The fourth proportional to 32,729.80, 49,138.38 and 21,052.84 is: 31,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.80 : 49,138.38 = 21,052.84 : x
  2. Step 2: Convert to fraction form
    32,729.80/49,138.38 = 21,052.84/x
  3. Step 3: Cross multiply
    32,729.80x = 49,138.38 × 21,052.84
  4. Step 4: Simplify right side
    32,729.80x = 1,034,502,452.00
  5. Step 5: Solve for x
    x = 1,034,502,452.00/32,729.80
  6. Step 6: Final answer
    x = 31,607.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.