Home / 29,188.86-43,838.57-18,172.45

Finding the Fourth Proportional to 29,188.86, 43,838.57 and 18,172.45

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Solution

The fourth proportional to 29,188.86, 43,838.57 and 18,172.45 is: 27,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.86 : 43,838.57 = 18,172.45 : x
  2. Step 2: Convert to fraction form
    29,188.86/43,838.57 = 18,172.45/x
  3. Step 3: Cross multiply
    29,188.86x = 43,838.57 × 18,172.45
  4. Step 4: Simplify right side
    29,188.86x = 796,654,219.41
  5. Step 5: Solve for x
    x = 796,654,219.41/29,188.86
  6. Step 6: Final answer
    x = 27,293.09

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1.5x scale

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.