Home / 33,859.48-46,731.78-19,720.60

Finding the Fourth Proportional to 33,859.48, 46,731.78 and 19,720.60

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Solution

The fourth proportional to 33,859.48, 46,731.78 and 19,720.60 is: 27,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,859.48 : 46,731.78 = 19,720.60 : x
  2. Step 2: Convert to fraction form
    33,859.48/46,731.78 = 19,720.60/x
  3. Step 3: Cross multiply
    33,859.48x = 46,731.78 × 19,720.60
  4. Step 4: Simplify right side
    33,859.48x = 921,578,740.67
  5. Step 5: Solve for x
    x = 921,578,740.67/33,859.48
  6. Step 6: Final answer
    x = 27,217.75

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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.