Home / 29,709.72-40,999.37-16,281.54

Finding the Fourth Proportional to 29,709.72, 40,999.37 and 16,281.54

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Solution

The fourth proportional to 29,709.72, 40,999.37 and 16,281.54 is: 22,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,709.72 : 40,999.37 = 16,281.54 : x
  2. Step 2: Convert to fraction form
    29,709.72/40,999.37 = 16,281.54/x
  3. Step 3: Cross multiply
    29,709.72x = 40,999.37 × 16,281.54
  4. Step 4: Simplify right side
    29,709.72x = 667,532,801.22
  5. Step 5: Solve for x
    x = 667,532,801.22/29,709.72
  6. Step 6: Final answer
    x = 22,468.50

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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.