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Finding the Fourth Proportional to 33,916, 46,803.28 and 18,808.52

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Solution

The fourth proportional to 33,916, 46,803.28 and 18,808.52 is: 25,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,916 : 46,803.28 = 18,808.52 : x
  2. Step 2: Convert to fraction form
    33,916/46,803.28 = 18,808.52/x
  3. Step 3: Cross multiply
    33,916x = 46,803.28 × 18,808.52
  4. Step 4: Simplify right side
    33,916x = 880,300,427.95
  5. Step 5: Solve for x
    x = 880,300,427.95/33,916
  6. Step 6: Final answer
    x = 25,955.31

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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.