Home / 33,780.84-46,622.19-19,440.38

Finding the Fourth Proportional to 33,780.84, 46,622.19 and 19,440.38

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Solution

The fourth proportional to 33,780.84, 46,622.19 and 19,440.38 is: 26,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.84 : 46,622.19 = 19,440.38 : x
  2. Step 2: Convert to fraction form
    33,780.84/46,622.19 = 19,440.38/x
  3. Step 3: Cross multiply
    33,780.84x = 46,622.19 × 19,440.38
  4. Step 4: Simplify right side
    33,780.84x = 906,353,090.03
  5. Step 5: Solve for x
    x = 906,353,090.03/33,780.84
  6. Step 6: Final answer
    x = 26,830.39

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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.