Home / 33,826.92-46,704.12-21,085.20

Finding the Fourth Proportional to 33,826.92, 46,704.12 and 21,085.20

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Solution

The fourth proportional to 33,826.92, 46,704.12 and 21,085.20 is: 29,111.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,826.92 : 46,704.12 = 21,085.20 : x
  2. Step 2: Convert to fraction form
    33,826.92/46,704.12 = 21,085.20/x
  3. Step 3: Cross multiply
    33,826.92x = 46,704.12 × 21,085.20
  4. Step 4: Simplify right side
    33,826.92x = 984,765,711.02
  5. Step 5: Solve for x
    x = 984,765,711.02/33,826.92
  6. Step 6: Final answer
    x = 29,111.89

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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.