Home / 33,830.64-46,685.25-18,722.79

Finding the Fourth Proportional to 33,830.64, 46,685.25 and 18,722.79

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Solution

The fourth proportional to 33,830.64, 46,685.25 and 18,722.79 is: 25,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,830.64 : 46,685.25 = 18,722.79 : x
  2. Step 2: Convert to fraction form
    33,830.64/46,685.25 = 18,722.79/x
  3. Step 3: Cross multiply
    33,830.64x = 46,685.25 × 18,722.79
  4. Step 4: Simplify right side
    33,830.64x = 874,078,131.85
  5. Step 5: Solve for x
    x = 874,078,131.85/33,830.64
  6. Step 6: Final answer
    x = 25,836.88

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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.