Home / 30,169.62-41,642.15-18,832.28

Finding the Fourth Proportional to 30,169.62, 41,642.15 and 18,832.28

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Solution

The fourth proportional to 30,169.62, 41,642.15 and 18,832.28 is: 25,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.62 : 41,642.15 = 18,832.28 : x
  2. Step 2: Convert to fraction form
    30,169.62/41,642.15 = 18,832.28/x
  3. Step 3: Cross multiply
    30,169.62x = 41,642.15 × 18,832.28
  4. Step 4: Simplify right side
    30,169.62x = 784,216,719.76
  5. Step 5: Solve for x
    x = 784,216,719.76/30,169.62
  6. Step 6: Final answer
    x = 25,993.59

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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.