Home / 43,360.24-64,989.68-18,391.84

Finding the Fourth Proportional to 43,360.24, 64,989.68 and 18,391.84

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Solution

The fourth proportional to 43,360.24, 64,989.68 and 18,391.84 is: 27,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,360.24 : 64,989.68 = 18,391.84 : x
  2. Step 2: Convert to fraction form
    43,360.24/64,989.68 = 18,391.84/x
  3. Step 3: Cross multiply
    43,360.24x = 64,989.68 × 18,391.84
  4. Step 4: Simplify right side
    43,360.24x = 1,195,279,796.21
  5. Step 5: Solve for x
    x = 1,195,279,796.21/43,360.24
  6. Step 6: Final answer
    x = 27,566.26

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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.