Home / 33,387.79-46,106.37-21,471.82

Finding the Fourth Proportional to 33,387.79, 46,106.37 and 21,471.82

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Solution

The fourth proportional to 33,387.79, 46,106.37 and 21,471.82 is: 29,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387.79 : 46,106.37 = 21,471.82 : x
  2. Step 2: Convert to fraction form
    33,387.79/46,106.37 = 21,471.82/x
  3. Step 3: Cross multiply
    33,387.79x = 46,106.37 × 21,471.82
  4. Step 4: Simplify right side
    33,387.79x = 989,987,677.49
  5. Step 5: Solve for x
    x = 989,987,677.49/33,387.79
  6. Step 6: Final answer
    x = 29,651.19

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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.