Home / 33,780.80-46,622.13-19,440.33

Finding the Fourth Proportional to 33,780.80, 46,622.13 and 19,440.33

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Solution

The fourth proportional to 33,780.80, 46,622.13 and 19,440.33 is: 26,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.80 : 46,622.13 = 19,440.33 : x
  2. Step 2: Convert to fraction form
    33,780.80/46,622.13 = 19,440.33/x
  3. Step 3: Cross multiply
    33,780.80x = 46,622.13 × 19,440.33
  4. Step 4: Simplify right side
    33,780.80x = 906,349,592.50
  5. Step 5: Solve for x
    x = 906,349,592.50/33,780.80
  6. Step 6: Final answer
    x = 26,830.32

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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.