Home / 30,976.63-46,444.08-18,505.36

Finding the Fourth Proportional to 30,976.63, 46,444.08 and 18,505.36

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Solution

The fourth proportional to 30,976.63, 46,444.08 and 18,505.36 is: 27,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.63 : 46,444.08 = 18,505.36 : x
  2. Step 2: Convert to fraction form
    30,976.63/46,444.08 = 18,505.36/x
  3. Step 3: Cross multiply
    30,976.63x = 46,444.08 × 18,505.36
  4. Step 4: Simplify right side
    30,976.63x = 859,464,547.72
  5. Step 5: Solve for x
    x = 859,464,547.72/30,976.63
  6. Step 6: Final answer
    x = 27,745.58

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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.