Home / 43,243.24-64,771.08-21,009.96

Finding the Fourth Proportional to 43,243.24, 64,771.08 and 21,009.96

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Solution

The fourth proportional to 43,243.24, 64,771.08 and 21,009.96 is: 31,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,243.24 : 64,771.08 = 21,009.96 : x
  2. Step 2: Convert to fraction form
    43,243.24/64,771.08 = 21,009.96/x
  3. Step 3: Cross multiply
    43,243.24x = 64,771.08 × 21,009.96
  4. Step 4: Simplify right side
    43,243.24x = 1,360,837,799.96
  5. Step 5: Solve for x
    x = 1,360,837,799.96/43,243.24
  6. Step 6: Final answer
    x = 31,469.38

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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.