Home / 43,905.24-65,864.28-12,736.44

Finding the Fourth Proportional to 43,905.24, 65,864.28 and 12,736.44

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Solution

The fourth proportional to 43,905.24, 65,864.28 and 12,736.44 is: 19,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,905.24 : 65,864.28 = 12,736.44 : x
  2. Step 2: Convert to fraction form
    43,905.24/65,864.28 = 12,736.44/x
  3. Step 3: Cross multiply
    43,905.24x = 65,864.28 × 12,736.44
  4. Step 4: Simplify right side
    43,905.24x = 838,876,450.36
  5. Step 5: Solve for x
    x = 838,876,450.36/43,905.24
  6. Step 6: Final answer
    x = 19,106.52

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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.