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Finding the Fourth Proportional to 53,881.99, 80,832.78 and 22,274.89

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Solution

The fourth proportional to 53,881.99, 80,832.78 and 22,274.89 is: 33,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.99 : 80,832.78 = 22,274.89 : x
  2. Step 2: Convert to fraction form
    53,881.99/80,832.78 = 22,274.89/x
  3. Step 3: Cross multiply
    53,881.99x = 80,832.78 × 22,274.89
  4. Step 4: Simplify right side
    53,881.99x = 1,800,541,282.89
  5. Step 5: Solve for x
    x = 1,800,541,282.89/53,881.99
  6. Step 6: Final answer
    x = 33,416.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.