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Finding the Fourth Proportional to 53,213.25, 79,819.91 and 16,277.25

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Solution

The fourth proportional to 53,213.25, 79,819.91 and 16,277.25 is: 24,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.25 : 79,819.91 = 16,277.25 : x
  2. Step 2: Convert to fraction form
    53,213.25/79,819.91 = 16,277.25/x
  3. Step 3: Cross multiply
    53,213.25x = 79,819.91 × 16,277.25
  4. Step 4: Simplify right side
    53,213.25x = 1,299,248,548.66
  5. Step 5: Solve for x
    x = 1,299,248,548.66/53,213.25
  6. Step 6: Final answer
    x = 24,415.88

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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.