Home / 33,992.68-46,916.61-21,720.24

Finding the Fourth Proportional to 33,992.68, 46,916.61 and 21,720.24

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Solution

The fourth proportional to 33,992.68, 46,916.61 and 21,720.24 is: 29,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,992.68 : 46,916.61 = 21,720.24 : x
  2. Step 2: Convert to fraction form
    33,992.68/46,916.61 = 21,720.24/x
  3. Step 3: Cross multiply
    33,992.68x = 46,916.61 × 21,720.24
  4. Step 4: Simplify right side
    33,992.68x = 1,019,039,686.00
  5. Step 5: Solve for x
    x = 1,019,039,686.00/33,992.68
  6. Step 6: Final answer
    x = 29,978.21

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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.