Home / 30,057.32-41,474.34-19,447.40

Finding the Fourth Proportional to 30,057.32, 41,474.34 and 19,447.40

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Solution

The fourth proportional to 30,057.32, 41,474.34 and 19,447.40 is: 26,834.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.32 : 41,474.34 = 19,447.40 : x
  2. Step 2: Convert to fraction form
    30,057.32/41,474.34 = 19,447.40/x
  3. Step 3: Cross multiply
    30,057.32x = 41,474.34 × 19,447.40
  4. Step 4: Simplify right side
    30,057.32x = 806,568,079.72
  5. Step 5: Solve for x
    x = 806,568,079.72/30,057.32
  6. Step 6: Final answer
    x = 26,834.33

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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.