Home / 43,289.51-64,885.05-18,313.97

Finding the Fourth Proportional to 43,289.51, 64,885.05 and 18,313.97

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Solution

The fourth proportional to 43,289.51, 64,885.05 and 18,313.97 is: 27,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.51 : 64,885.05 = 18,313.97 : x
  2. Step 2: Convert to fraction form
    43,289.51/64,885.05 = 18,313.97/x
  3. Step 3: Cross multiply
    43,289.51x = 64,885.05 × 18,313.97
  4. Step 4: Simplify right side
    43,289.51x = 1,188,302,859.15
  5. Step 5: Solve for x
    x = 1,188,302,859.15/43,289.51
  6. Step 6: Final answer
    x = 27,450.13

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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.