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Finding the Fourth Proportional to 36,336, 54,525.48 and 19,695.64

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Solution

The fourth proportional to 36,336, 54,525.48 and 19,695.64 is: 29,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,336 : 54,525.48 = 19,695.64 : x
  2. Step 2: Convert to fraction form
    36,336/54,525.48 = 19,695.64/x
  3. Step 3: Cross multiply
    36,336x = 54,525.48 × 19,695.64
  4. Step 4: Simplify right side
    36,336x = 1,073,914,224.91
  5. Step 5: Solve for x
    x = 1,073,914,224.91/36,336
  6. Step 6: Final answer
    x = 29,555.10

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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.