Home / 43,346.22-64,973.25-18,399.66

Finding the Fourth Proportional to 43,346.22, 64,973.25 and 18,399.66

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Solution

The fourth proportional to 43,346.22, 64,973.25 and 18,399.66 is: 27,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,346.22 : 64,973.25 = 18,399.66 : x
  2. Step 2: Convert to fraction form
    43,346.22/64,973.25 = 18,399.66/x
  3. Step 3: Cross multiply
    43,346.22x = 64,973.25 × 18,399.66
  4. Step 4: Simplify right side
    43,346.22x = 1,195,485,709.10
  5. Step 5: Solve for x
    x = 1,195,485,709.10/43,346.22
  6. Step 6: Final answer
    x = 27,579.93

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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.