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Finding the Fourth Proportional to 43,794.82, 65,701.82 and 14,215.63

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Solution

The fourth proportional to 43,794.82, 65,701.82 and 14,215.63 is: 21,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,794.82 : 65,701.82 = 14,215.63 : x
  2. Step 2: Convert to fraction form
    43,794.82/65,701.82 = 14,215.63/x
  3. Step 3: Cross multiply
    43,794.82x = 65,701.82 × 14,215.63
  4. Step 4: Simplify right side
    43,794.82x = 933,992,763.45
  5. Step 5: Solve for x
    x = 933,992,763.45/43,794.82
  6. Step 6: Final answer
    x = 21,326.56

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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.