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Finding the Fourth Proportional to 33,892.76, 46,771.88 and 18,988.76

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Solution

The fourth proportional to 33,892.76, 46,771.88 and 18,988.76 is: 26,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,892.76 : 46,771.88 = 18,988.76 : x
  2. Step 2: Convert to fraction form
    33,892.76/46,771.88 = 18,988.76/x
  3. Step 3: Cross multiply
    33,892.76x = 46,771.88 × 18,988.76
  4. Step 4: Simplify right side
    33,892.76x = 888,140,004.07
  5. Step 5: Solve for x
    x = 888,140,004.07/33,892.76
  6. Step 6: Final answer
    x = 26,204.42

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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.