Home / 52,653.39-78,993.93-18,922.81

Finding the Fourth Proportional to 52,653.39, 78,993.93 and 18,922.81

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Solution

The fourth proportional to 52,653.39, 78,993.93 and 18,922.81 is: 28,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.39 : 78,993.93 = 18,922.81 : x
  2. Step 2: Convert to fraction form
    52,653.39/78,993.93 = 18,922.81/x
  3. Step 3: Cross multiply
    52,653.39x = 78,993.93 × 18,922.81
  4. Step 4: Simplify right side
    52,653.39x = 1,494,787,033.93
  5. Step 5: Solve for x
    x = 1,494,787,033.93/52,653.39
  6. Step 6: Final answer
    x = 28,389.19

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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.