Home / 29,130.35-43,739.28-16,664.45

Finding the Fourth Proportional to 29,130.35, 43,739.28 and 16,664.45

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Solution

The fourth proportional to 29,130.35, 43,739.28 and 16,664.45 is: 25,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.35 : 43,739.28 = 16,664.45 : x
  2. Step 2: Convert to fraction form
    29,130.35/43,739.28 = 16,664.45/x
  3. Step 3: Cross multiply
    29,130.35x = 43,739.28 × 16,664.45
  4. Step 4: Simplify right side
    29,130.35x = 728,890,825.90
  5. Step 5: Solve for x
    x = 728,890,825.90/29,130.35
  6. Step 6: Final answer
    x = 25,021.70

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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.