Home / 30,119.20-41,565.99-16,690.51

Finding the Fourth Proportional to 30,119.20, 41,565.99 and 16,690.51

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Solution

The fourth proportional to 30,119.20, 41,565.99 and 16,690.51 is: 23,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.20 : 41,565.99 = 16,690.51 : x
  2. Step 2: Convert to fraction form
    30,119.20/41,565.99 = 16,690.51/x
  3. Step 3: Cross multiply
    30,119.20x = 41,565.99 × 16,690.51
  4. Step 4: Simplify right side
    30,119.20x = 693,757,574.70
  5. Step 5: Solve for x
    x = 693,757,574.70/30,119.20
  6. Step 6: Final answer
    x = 23,033.73

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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.