Home / 33,915.39-46,826.42-21,187.95

Finding the Fourth Proportional to 33,915.39, 46,826.42 and 21,187.95

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Solution

The fourth proportional to 33,915.39, 46,826.42 and 21,187.95 is: 29,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.39 : 46,826.42 = 21,187.95 : x
  2. Step 2: Convert to fraction form
    33,915.39/46,826.42 = 21,187.95/x
  3. Step 3: Cross multiply
    33,915.39x = 46,826.42 × 21,187.95
  4. Step 4: Simplify right side
    33,915.39x = 992,155,845.64
  5. Step 5: Solve for x
    x = 992,155,845.64/33,915.39
  6. Step 6: Final answer
    x = 29,253.85

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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.