Home / 33,419.84-46,104.54-21,480.95

Finding the Fourth Proportional to 33,419.84, 46,104.54 and 21,480.95

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Solution

The fourth proportional to 33,419.84, 46,104.54 and 21,480.95 is: 29,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,419.84 : 46,104.54 = 21,480.95 : x
  2. Step 2: Convert to fraction form
    33,419.84/46,104.54 = 21,480.95/x
  3. Step 3: Cross multiply
    33,419.84x = 46,104.54 × 21,480.95
  4. Step 4: Simplify right side
    33,419.84x = 990,369,214.71
  5. Step 5: Solve for x
    x = 990,369,214.71/33,419.84
  6. Step 6: Final answer
    x = 29,634.17

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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.