Home / 29,999.75-41,399.67-16,387.98

Finding the Fourth Proportional to 29,999.75, 41,399.67 and 16,387.98

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Solution

The fourth proportional to 29,999.75, 41,399.67 and 16,387.98 is: 22,615.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.75 : 41,399.67 = 16,387.98 : x
  2. Step 2: Convert to fraction form
    29,999.75/41,399.67 = 16,387.98/x
  3. Step 3: Cross multiply
    29,999.75x = 41,399.67 × 16,387.98
  4. Step 4: Simplify right side
    29,999.75x = 678,457,025.42
  5. Step 5: Solve for x
    x = 678,457,025.42/29,999.75
  6. Step 6: Final answer
    x = 22,615.42

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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.