Home / 29,469.48-40,670.55-18,141.90

Finding the Fourth Proportional to 29,469.48, 40,670.55 and 18,141.90

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Solution

The fourth proportional to 29,469.48, 40,670.55 and 18,141.90 is: 25,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,469.48 : 40,670.55 = 18,141.90 : x
  2. Step 2: Convert to fraction form
    29,469.48/40,670.55 = 18,141.90/x
  3. Step 3: Cross multiply
    29,469.48x = 40,670.55 × 18,141.90
  4. Step 4: Simplify right side
    29,469.48x = 737,841,051.05
  5. Step 5: Solve for x
    x = 737,841,051.05/29,469.48
  6. Step 6: Final answer
    x = 25,037.46

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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.