Home / 35,328.54-53,007.30-18,684.12

Finding the Fourth Proportional to 35,328.54, 53,007.30 and 18,684.12

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Solution

The fourth proportional to 35,328.54, 53,007.30 and 18,684.12 is: 28,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,328.54 : 53,007.30 = 18,684.12 : x
  2. Step 2: Convert to fraction form
    35,328.54/53,007.30 = 18,684.12/x
  3. Step 3: Cross multiply
    35,328.54x = 53,007.30 × 18,684.12
  4. Step 4: Simplify right side
    35,328.54x = 990,394,754.08
  5. Step 5: Solve for x
    x = 990,394,754.08/35,328.54
  6. Step 6: Final answer
    x = 28,033.84

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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.