Home / 33,828.39-46,685.51-18,721.68

Finding the Fourth Proportional to 33,828.39, 46,685.51 and 18,721.68

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Solution

The fourth proportional to 33,828.39, 46,685.51 and 18,721.68 is: 25,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.39 : 46,685.51 = 18,721.68 : x
  2. Step 2: Convert to fraction form
    33,828.39/46,685.51 = 18,721.68/x
  3. Step 3: Cross multiply
    33,828.39x = 46,685.51 × 18,721.68
  4. Step 4: Simplify right side
    33,828.39x = 874,031,178.86
  5. Step 5: Solve for x
    x = 874,031,178.86/33,828.39
  6. Step 6: Final answer
    x = 25,837.21

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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.