Home / 29,180.20-43,802.70-18,099.40

Finding the Fourth Proportional to 29,180.20, 43,802.70 and 18,099.40

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Solution

The fourth proportional to 29,180.20, 43,802.70 and 18,099.40 is: 27,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.20 : 43,802.70 = 18,099.40 : x
  2. Step 2: Convert to fraction form
    29,180.20/43,802.70 = 18,099.40/x
  3. Step 3: Cross multiply
    29,180.20x = 43,802.70 × 18,099.40
  4. Step 4: Simplify right side
    29,180.20x = 792,802,588.38
  5. Step 5: Solve for x
    x = 792,802,588.38/29,180.20
  6. Step 6: Final answer
    x = 27,169.20

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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.