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Finding the Fourth Proportional to 33,870.94, 46,741.03 and 18,557.38

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Solution

The fourth proportional to 33,870.94, 46,741.03 and 18,557.38 is: 25,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.94 : 46,741.03 = 18,557.38 : x
  2. Step 2: Convert to fraction form
    33,870.94/46,741.03 = 18,557.38/x
  3. Step 3: Cross multiply
    33,870.94x = 46,741.03 × 18,557.38
  4. Step 4: Simplify right side
    33,870.94x = 867,391,055.30
  5. Step 5: Solve for x
    x = 867,391,055.30/33,870.94
  6. Step 6: Final answer
    x = 25,608.71

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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.