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Finding the Fourth Proportional to 43,796.70, 65,701.26 and 14,205.06

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Solution

The fourth proportional to 43,796.70, 65,701.26 and 14,205.06 is: 21,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,796.70 : 65,701.26 = 14,205.06 : x
  2. Step 2: Convert to fraction form
    43,796.70/65,701.26 = 14,205.06/x
  3. Step 3: Cross multiply
    43,796.70x = 65,701.26 × 14,205.06
  4. Step 4: Simplify right side
    43,796.70x = 933,290,340.38
  5. Step 5: Solve for x
    x = 933,290,340.38/43,796.70
  6. Step 6: Final answer
    x = 21,309.60

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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.