Home / 31,769.69-47,661.47-12,048.44

Finding the Fourth Proportional to 31,769.69, 47,661.47 and 12,048.44

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Solution

The fourth proportional to 31,769.69, 47,661.47 and 12,048.44 is: 18,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769.69 : 47,661.47 = 12,048.44 : x
  2. Step 2: Convert to fraction form
    31,769.69/47,661.47 = 12,048.44/x
  3. Step 3: Cross multiply
    31,769.69x = 47,661.47 × 12,048.44
  4. Step 4: Simplify right side
    31,769.69x = 574,246,301.36
  5. Step 5: Solve for x
    x = 574,246,301.36/31,769.69
  6. Step 6: Final answer
    x = 18,075.29

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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.