Home / 29,310.63-40,462.62-19,636.75

Finding the Fourth Proportional to 29,310.63, 40,462.62 and 19,636.75

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Solution

The fourth proportional to 29,310.63, 40,462.62 and 19,636.75 is: 27,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.63 : 40,462.62 = 19,636.75 : x
  2. Step 2: Convert to fraction form
    29,310.63/40,462.62 = 19,636.75/x
  3. Step 3: Cross multiply
    29,310.63x = 40,462.62 × 19,636.75
  4. Step 4: Simplify right side
    29,310.63x = 794,554,157.85
  5. Step 5: Solve for x
    x = 794,554,157.85/29,310.63
  6. Step 6: Final answer
    x = 27,108.05

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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.