Home / 43,355.20-65,006.40-17,028.40

Finding the Fourth Proportional to 43,355.20, 65,006.40 and 17,028.40

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Solution

The fourth proportional to 43,355.20, 65,006.40 and 17,028.40 is: 25,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,355.20 : 65,006.40 = 17,028.40 : x
  2. Step 2: Convert to fraction form
    43,355.20/65,006.40 = 17,028.40/x
  3. Step 3: Cross multiply
    43,355.20x = 65,006.40 × 17,028.40
  4. Step 4: Simplify right side
    43,355.20x = 1,106,954,981.76
  5. Step 5: Solve for x
    x = 1,106,954,981.76/43,355.20
  6. Step 6: Final answer
    x = 25,532.23

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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.