Home / 30,266.64-41,761.44-18,330.48

Finding the Fourth Proportional to 30,266.64, 41,761.44 and 18,330.48

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Solution

The fourth proportional to 30,266.64, 41,761.44 and 18,330.48 is: 25,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.64 : 41,761.44 = 18,330.48 : x
  2. Step 2: Convert to fraction form
    30,266.64/41,761.44 = 18,330.48/x
  3. Step 3: Cross multiply
    30,266.64x = 41,761.44 × 18,330.48
  4. Step 4: Simplify right side
    30,266.64x = 765,507,240.69
  5. Step 5: Solve for x
    x = 765,507,240.69/30,266.64
  6. Step 6: Final answer
    x = 25,292.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.