Home / 29,548.90-40,775.81-16,800.31

Finding the Fourth Proportional to 29,548.90, 40,775.81 and 16,800.31

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Solution

The fourth proportional to 29,548.90, 40,775.81 and 16,800.31 is: 23,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,548.90 : 40,775.81 = 16,800.31 : x
  2. Step 2: Convert to fraction form
    29,548.90/40,775.81 = 16,800.31/x
  3. Step 3: Cross multiply
    29,548.90x = 40,775.81 × 16,800.31
  4. Step 4: Simplify right side
    29,548.90x = 685,045,960.62
  5. Step 5: Solve for x
    x = 685,045,960.62/29,548.90
  6. Step 6: Final answer
    x = 23,183.47

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1.5x scale

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.