Home / 43,361.84-65,033.58-13,782.26

Finding the Fourth Proportional to 43,361.84, 65,033.58 and 13,782.26

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Solution

The fourth proportional to 43,361.84, 65,033.58 and 13,782.26 is: 20,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,361.84 : 65,033.58 = 13,782.26 : x
  2. Step 2: Convert to fraction form
    43,361.84/65,033.58 = 13,782.26/x
  3. Step 3: Cross multiply
    43,361.84x = 65,033.58 × 13,782.26
  4. Step 4: Simplify right side
    43,361.84x = 896,309,708.29
  5. Step 5: Solve for x
    x = 896,309,708.29/43,361.84
  6. Step 6: Final answer
    x = 20,670.47

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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.