Home / 46,747.78-70,161.30-18,687.65

Finding the Fourth Proportional to 46,747.78, 70,161.30 and 18,687.65

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Solution

The fourth proportional to 46,747.78, 70,161.30 and 18,687.65 is: 28,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,747.78 : 70,161.30 = 18,687.65 : x
  2. Step 2: Convert to fraction form
    46,747.78/70,161.30 = 18,687.65/x
  3. Step 3: Cross multiply
    46,747.78x = 70,161.30 × 18,687.65
  4. Step 4: Simplify right side
    46,747.78x = 1,311,149,467.14
  5. Step 5: Solve for x
    x = 1,311,149,467.14/46,747.78
  6. Step 6: Final answer
    x = 28,047.31

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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.