Home / 30,174.53-41,642.91-18,238.37

Finding the Fourth Proportional to 30,174.53, 41,642.91 and 18,238.37

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Solution

The fourth proportional to 30,174.53, 41,642.91 and 18,238.37 is: 25,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.53 : 41,642.91 = 18,238.37 : x
  2. Step 2: Convert to fraction form
    30,174.53/41,642.91 = 18,238.37/x
  3. Step 3: Cross multiply
    30,174.53x = 41,642.91 × 18,238.37
  4. Step 4: Simplify right side
    30,174.53x = 759,498,592.24
  5. Step 5: Solve for x
    x = 759,498,592.24/30,174.53
  6. Step 6: Final answer
    x = 25,170.19

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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.