Home / 33,826.46-46,661.81-20,389.77

Finding the Fourth Proportional to 33,826.46, 46,661.81 and 20,389.77

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Solution

The fourth proportional to 33,826.46, 46,661.81 and 20,389.77 is: 28,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,826.46 : 46,661.81 = 20,389.77 : x
  2. Step 2: Convert to fraction form
    33,826.46/46,661.81 = 20,389.77/x
  3. Step 3: Cross multiply
    33,826.46x = 46,661.81 × 20,389.77
  4. Step 4: Simplify right side
    33,826.46x = 951,423,471.73
  5. Step 5: Solve for x
    x = 951,423,471.73/33,826.46
  6. Step 6: Final answer
    x = 28,126.61

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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.