Home / 30,176.40-45,272.70-26,912.10

Finding the Fourth Proportional to 30,176.40, 45,272.70 and 26,912.10

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Solution

The fourth proportional to 30,176.40, 45,272.70 and 26,912.10 is: 40,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176.40 : 45,272.70 = 26,912.10 : x
  2. Step 2: Convert to fraction form
    30,176.40/45,272.70 = 26,912.10/x
  3. Step 3: Cross multiply
    30,176.40x = 45,272.70 × 26,912.10
  4. Step 4: Simplify right side
    30,176.40x = 1,218,383,429.67
  5. Step 5: Solve for x
    x = 1,218,383,429.67/30,176.40
  6. Step 6: Final answer
    x = 40,375.37

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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.