Home / 43,289.19-64,945.26-13,707.54

Finding the Fourth Proportional to 43,289.19, 64,945.26 and 13,707.54

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Solution

The fourth proportional to 43,289.19, 64,945.26 and 13,707.54 is: 20,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.19 : 64,945.26 = 13,707.54 : x
  2. Step 2: Convert to fraction form
    43,289.19/64,945.26 = 13,707.54/x
  3. Step 3: Cross multiply
    43,289.19x = 64,945.26 × 13,707.54
  4. Step 4: Simplify right side
    43,289.19x = 890,239,749.26
  5. Step 5: Solve for x
    x = 890,239,749.26/43,289.19
  6. Step 6: Final answer
    x = 20,564.94

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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.