Home / 30,989.19-46,457.88-14,361.14

Finding the Fourth Proportional to 30,989.19, 46,457.88 and 14,361.14

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Solution

The fourth proportional to 30,989.19, 46,457.88 and 14,361.14 is: 21,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989.19 : 46,457.88 = 14,361.14 : x
  2. Step 2: Convert to fraction form
    30,989.19/46,457.88 = 14,361.14/x
  3. Step 3: Cross multiply
    30,989.19x = 46,457.88 × 14,361.14
  4. Step 4: Simplify right side
    30,989.19x = 667,188,118.78
  5. Step 5: Solve for x
    x = 667,188,118.78/30,989.19
  6. Step 6: Final answer
    x = 21,529.70

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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.