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Finding the Fourth Proportional to 33,897.91, 46,781.91 and 18,795.31

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Solution

The fourth proportional to 33,897.91, 46,781.91 and 18,795.31 is: 25,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,897.91 : 46,781.91 = 18,795.31 : x
  2. Step 2: Convert to fraction form
    33,897.91/46,781.91 = 18,795.31/x
  3. Step 3: Cross multiply
    33,897.91x = 46,781.91 × 18,795.31
  4. Step 4: Simplify right side
    33,897.91x = 879,280,500.84
  5. Step 5: Solve for x
    x = 879,280,500.84/33,897.91
  6. Step 6: Final answer
    x = 25,939.08

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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.