Home / 43,287.24-64,936.34-13,694.38

Finding the Fourth Proportional to 43,287.24, 64,936.34 and 13,694.38

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Solution

The fourth proportional to 43,287.24, 64,936.34 and 13,694.38 is: 20,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,287.24 : 64,936.34 = 13,694.38 : x
  2. Step 2: Convert to fraction form
    43,287.24/64,936.34 = 13,694.38/x
  3. Step 3: Cross multiply
    43,287.24x = 64,936.34 × 13,694.38
  4. Step 4: Simplify right side
    43,287.24x = 889,262,915.77
  5. Step 5: Solve for x
    x = 889,262,915.77/43,287.24
  6. Step 6: Final answer
    x = 20,543.30

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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.