Home / 30,333.58-41,863.48-18,238.03

Finding the Fourth Proportional to 30,333.58, 41,863.48 and 18,238.03

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Solution

The fourth proportional to 30,333.58, 41,863.48 and 18,238.03 is: 25,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333.58 : 41,863.48 = 18,238.03 : x
  2. Step 2: Convert to fraction form
    30,333.58/41,863.48 = 18,238.03/x
  3. Step 3: Cross multiply
    30,333.58x = 41,863.48 × 18,238.03
  4. Step 4: Simplify right side
    30,333.58x = 763,507,253.89
  5. Step 5: Solve for x
    x = 763,507,253.89/30,333.58
  6. Step 6: Final answer
    x = 25,170.37

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1.5x scale

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.