Home / 33,860.40-46,721.12-19,717.84

Finding the Fourth Proportional to 33,860.40, 46,721.12 and 19,717.84

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Solution

The fourth proportional to 33,860.40, 46,721.12 and 19,717.84 is: 27,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,860.40 : 46,721.12 = 19,717.84 : x
  2. Step 2: Convert to fraction form
    33,860.40/46,721.12 = 19,717.84/x
  3. Step 3: Cross multiply
    33,860.40x = 46,721.12 × 19,717.84
  4. Step 4: Simplify right side
    33,860.40x = 921,239,568.78
  5. Step 5: Solve for x
    x = 921,239,568.78/33,860.40
  6. Step 6: Final answer
    x = 27,206.99

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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.