Home / 33,910.71-46,806.51-20,479.70

Finding the Fourth Proportional to 33,910.71, 46,806.51 and 20,479.70

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Solution

The fourth proportional to 33,910.71, 46,806.51 and 20,479.70 is: 28,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,910.71 : 46,806.51 = 20,479.70 : x
  2. Step 2: Convert to fraction form
    33,910.71/46,806.51 = 20,479.70/x
  3. Step 3: Cross multiply
    33,910.71x = 46,806.51 × 20,479.70
  4. Step 4: Simplify right side
    33,910.71x = 958,583,048.81
  5. Step 5: Solve for x
    x = 958,583,048.81/33,910.71
  6. Step 6: Final answer
    x = 28,267.86

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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.