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Finding the Fourth Proportional to 33,655, 46,444.86 and 18,751.96

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Solution

The fourth proportional to 33,655, 46,444.86 and 18,751.96 is: 25,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,655 : 46,444.86 = 18,751.96 : x
  2. Step 2: Convert to fraction form
    33,655/46,444.86 = 18,751.96/x
  3. Step 3: Cross multiply
    33,655x = 46,444.86 × 18,751.96
  4. Step 4: Simplify right side
    33,655x = 870,932,156.93
  5. Step 5: Solve for x
    x = 870,932,156.93/33,655
  6. Step 6: Final answer
    x = 25,878.24

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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.