Home / 30,150.30-41,596.22-18,209.28

Finding the Fourth Proportional to 30,150.30, 41,596.22 and 18,209.28

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Solution

The fourth proportional to 30,150.30, 41,596.22 and 18,209.28 is: 25,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.30 : 41,596.22 = 18,209.28 : x
  2. Step 2: Convert to fraction form
    30,150.30/41,596.22 = 18,209.28/x
  3. Step 3: Cross multiply
    30,150.30x = 41,596.22 × 18,209.28
  4. Step 4: Simplify right side
    30,150.30x = 757,437,216.92
  5. Step 5: Solve for x
    x = 757,437,216.92/30,150.30
  6. Step 6: Final answer
    x = 25,122.05

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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.