Home / 43,178.33-64,776.24-18,218.45

Finding the Fourth Proportional to 43,178.33, 64,776.24 and 18,218.45

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Solution

The fourth proportional to 43,178.33, 64,776.24 and 18,218.45 is: 27,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,178.33 : 64,776.24 = 18,218.45 : x
  2. Step 2: Convert to fraction form
    43,178.33/64,776.24 = 18,218.45/x
  3. Step 3: Cross multiply
    43,178.33x = 64,776.24 × 18,218.45
  4. Step 4: Simplify right side
    43,178.33x = 1,180,122,851.57
  5. Step 5: Solve for x
    x = 1,180,122,851.57/43,178.33
  6. Step 6: Final answer
    x = 27,331.37

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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.