Home / 33,979.08-46,888.38-19,639.84

Finding the Fourth Proportional to 33,979.08, 46,888.38 and 19,639.84

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Solution

The fourth proportional to 33,979.08, 46,888.38 and 19,639.84 is: 27,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,979.08 : 46,888.38 = 19,639.84 : x
  2. Step 2: Convert to fraction form
    33,979.08/46,888.38 = 19,639.84/x
  3. Step 3: Cross multiply
    33,979.08x = 46,888.38 × 19,639.84
  4. Step 4: Simplify right side
    33,979.08x = 920,880,212.94
  5. Step 5: Solve for x
    x = 920,880,212.94/33,979.08
  6. Step 6: Final answer
    x = 27,101.39

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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.