Home / 33,782.18-46,620.89-21,042.90

Finding the Fourth Proportional to 33,782.18, 46,620.89 and 21,042.90

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Solution

The fourth proportional to 33,782.18, 46,620.89 and 21,042.90 is: 29,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,782.18 : 46,620.89 = 21,042.90 : x
  2. Step 2: Convert to fraction form
    33,782.18/46,620.89 = 21,042.90/x
  3. Step 3: Cross multiply
    33,782.18x = 46,620.89 × 21,042.90
  4. Step 4: Simplify right side
    33,782.18x = 981,038,620.97
  5. Step 5: Solve for x
    x = 981,038,620.97/33,782.18
  6. Step 6: Final answer
    x = 29,040.13

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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.