Home / 43,769.97-65,664.72-12,602.79

Finding the Fourth Proportional to 43,769.97, 65,664.72 and 12,602.79

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Solution

The fourth proportional to 43,769.97, 65,664.72 and 12,602.79 is: 18,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,769.97 : 65,664.72 = 12,602.79 : x
  2. Step 2: Convert to fraction form
    43,769.97/65,664.72 = 12,602.79/x
  3. Step 3: Cross multiply
    43,769.97x = 65,664.72 × 12,602.79
  4. Step 4: Simplify right side
    43,769.97x = 827,558,676.57
  5. Step 5: Solve for x
    x = 827,558,676.57/43,769.97
  6. Step 6: Final answer
    x = 18,907.00

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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.