Home / 30,004.63-41,388.57-19,400.51

Finding the Fourth Proportional to 30,004.63, 41,388.57 and 19,400.51

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Solution

The fourth proportional to 30,004.63, 41,388.57 and 19,400.51 is: 26,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.63 : 41,388.57 = 19,400.51 : x
  2. Step 2: Convert to fraction form
    30,004.63/41,388.57 = 19,400.51/x
  3. Step 3: Cross multiply
    30,004.63x = 41,388.57 × 19,400.51
  4. Step 4: Simplify right side
    30,004.63x = 802,959,469.64
  5. Step 5: Solve for x
    x = 802,959,469.64/30,004.63
  6. Step 6: Final answer
    x = 26,761.19

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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.