Home / 39,425.56-59,116.46-13,115.94

Finding the Fourth Proportional to 39,425.56, 59,116.46 and 13,115.94

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Solution

The fourth proportional to 39,425.56, 59,116.46 and 13,115.94 is: 19,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.56 : 59,116.46 = 13,115.94 : x
  2. Step 2: Convert to fraction form
    39,425.56/59,116.46 = 13,115.94/x
  3. Step 3: Cross multiply
    39,425.56x = 59,116.46 × 13,115.94
  4. Step 4: Simplify right side
    39,425.56x = 775,367,942.37
  5. Step 5: Solve for x
    x = 775,367,942.37/39,425.56
  6. Step 6: Final answer
    x = 19,666.63

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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.