Home / 33,830.78-46,685.31-18,724.08

Finding the Fourth Proportional to 33,830.78, 46,685.31 and 18,724.08

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Solution

The fourth proportional to 33,830.78, 46,685.31 and 18,724.08 is: 25,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,830.78 : 46,685.31 = 18,724.08 : x
  2. Step 2: Convert to fraction form
    33,830.78/46,685.31 = 18,724.08/x
  3. Step 3: Cross multiply
    33,830.78x = 46,685.31 × 18,724.08
  4. Step 4: Simplify right side
    33,830.78x = 874,139,479.26
  5. Step 5: Solve for x
    x = 874,139,479.26/33,830.78
  6. Step 6: Final answer
    x = 25,838.59

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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.