Home / 33,448.51-46,121.10-21,332.78

Finding the Fourth Proportional to 33,448.51, 46,121.10 and 21,332.78

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Solution

The fourth proportional to 33,448.51, 46,121.10 and 21,332.78 is: 29,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,448.51 : 46,121.10 = 21,332.78 : x
  2. Step 2: Convert to fraction form
    33,448.51/46,121.10 = 21,332.78/x
  3. Step 3: Cross multiply
    33,448.51x = 46,121.10 × 21,332.78
  4. Step 4: Simplify right side
    33,448.51x = 983,891,521.44
  5. Step 5: Solve for x
    x = 983,891,521.44/33,448.51
  6. Step 6: Final answer
    x = 29,415.11

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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.