Home / 53,250.35-79,873.70-21,651.03

Finding the Fourth Proportional to 53,250.35, 79,873.70 and 21,651.03

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Solution

The fourth proportional to 53,250.35, 79,873.70 and 21,651.03 is: 32,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,250.35 : 79,873.70 = 21,651.03 : x
  2. Step 2: Convert to fraction form
    53,250.35/79,873.70 = 21,651.03/x
  3. Step 3: Cross multiply
    53,250.35x = 79,873.70 × 21,651.03
  4. Step 4: Simplify right side
    53,250.35x = 1,729,347,766.66
  5. Step 5: Solve for x
    x = 1,729,347,766.66/53,250.35
  6. Step 6: Final answer
    x = 32,475.80

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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.