Home / 33,781.20-46,619.85-19,443.21

Finding the Fourth Proportional to 33,781.20, 46,619.85 and 19,443.21

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Solution

The fourth proportional to 33,781.20, 46,619.85 and 19,443.21 is: 26,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.20 : 46,619.85 = 19,443.21 : x
  2. Step 2: Convert to fraction form
    33,781.20/46,619.85 = 19,443.21/x
  3. Step 3: Cross multiply
    33,781.20x = 46,619.85 × 19,443.21
  4. Step 4: Simplify right side
    33,781.20x = 906,439,825.16
  5. Step 5: Solve for x
    x = 906,439,825.16/33,781.20
  6. Step 6: Final answer
    x = 26,832.67

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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.