Home / 33,515.26-46,242.81-18,979.70

Finding the Fourth Proportional to 33,515.26, 46,242.81 and 18,979.70

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Solution

The fourth proportional to 33,515.26, 46,242.81 and 18,979.70 is: 26,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,515.26 : 46,242.81 = 18,979.70 : x
  2. Step 2: Convert to fraction form
    33,515.26/46,242.81 = 18,979.70/x
  3. Step 3: Cross multiply
    33,515.26x = 46,242.81 × 18,979.70
  4. Step 4: Simplify right side
    33,515.26x = 877,674,429.74
  5. Step 5: Solve for x
    x = 877,674,429.74/33,515.26
  6. Step 6: Final answer
    x = 26,187.31

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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.