Home / 33,880-46,754.40-18,976.32

Finding the Fourth Proportional to 33,880, 46,754.40 and 18,976.32

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Solution

The fourth proportional to 33,880, 46,754.40 and 18,976.32 is: 26,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,880 : 46,754.40 = 18,976.32 : x
  2. Step 2: Convert to fraction form
    33,880/46,754.40 = 18,976.32/x
  3. Step 3: Cross multiply
    33,880x = 46,754.40 × 18,976.32
  4. Step 4: Simplify right side
    33,880x = 887,226,455.81
  5. Step 5: Solve for x
    x = 887,226,455.81/33,880
  6. Step 6: Final answer
    x = 26,187.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.