Home / 43,265.56-64,905.19-18,305.79

Finding the Fourth Proportional to 43,265.56, 64,905.19 and 18,305.79

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Solution

The fourth proportional to 43,265.56, 64,905.19 and 18,305.79 is: 27,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,265.56 : 64,905.19 = 18,305.79 : x
  2. Step 2: Convert to fraction form
    43,265.56/64,905.19 = 18,305.79/x
  3. Step 3: Cross multiply
    43,265.56x = 64,905.19 × 18,305.79
  4. Step 4: Simplify right side
    43,265.56x = 1,188,140,800.15
  5. Step 5: Solve for x
    x = 1,188,140,800.15/43,265.56
  6. Step 6: Final answer
    x = 27,461.59

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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.