Home / 37,059.12-55,555.20-13,679.82

Finding the Fourth Proportional to 37,059.12, 55,555.20 and 13,679.82

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Solution

The fourth proportional to 37,059.12, 55,555.20 and 13,679.82 is: 20,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,059.12 : 55,555.20 = 13,679.82 : x
  2. Step 2: Convert to fraction form
    37,059.12/55,555.20 = 13,679.82/x
  3. Step 3: Cross multiply
    37,059.12x = 55,555.20 × 13,679.82
  4. Step 4: Simplify right side
    37,059.12x = 759,985,136.06
  5. Step 5: Solve for x
    x = 759,985,136.06/37,059.12
  6. Step 6: Final answer
    x = 20,507.37

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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.