Home / 43,943.40-65,908.35-14,361.39

Finding the Fourth Proportional to 43,943.40, 65,908.35 and 14,361.39

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Solution

The fourth proportional to 43,943.40, 65,908.35 and 14,361.39 is: 21,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,943.40 : 65,908.35 = 14,361.39 : x
  2. Step 2: Convert to fraction form
    43,943.40/65,908.35 = 14,361.39/x
  3. Step 3: Cross multiply
    43,943.40x = 65,908.35 × 14,361.39
  4. Step 4: Simplify right side
    43,943.40x = 946,535,518.61
  5. Step 5: Solve for x
    x = 946,535,518.61/43,943.40
  6. Step 6: Final answer
    x = 21,539.88

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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.