Home / 33,920.16-46,809-18,812.69

Finding the Fourth Proportional to 33,920.16, 46,809 and 18,812.69

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Solution

The fourth proportional to 33,920.16, 46,809 and 18,812.69 is: 25,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.16 : 46,809 = 18,812.69 : x
  2. Step 2: Convert to fraction form
    33,920.16/46,809 = 18,812.69/x
  3. Step 3: Cross multiply
    33,920.16x = 46,809 × 18,812.69
  4. Step 4: Simplify right side
    33,920.16x = 880,603,206.21
  5. Step 5: Solve for x
    x = 880,603,206.21/33,920.16
  6. Step 6: Final answer
    x = 25,961.06

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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.