Home / 37,253.20-51,428.46-28,736.20

Finding the Fourth Proportional to 37,253.20, 51,428.46 and 28,736.20

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Solution

The fourth proportional to 37,253.20, 51,428.46 and 28,736.20 is: 39,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,253.20 : 51,428.46 = 28,736.20 : x
  2. Step 2: Convert to fraction form
    37,253.20/51,428.46 = 28,736.20/x
  3. Step 3: Cross multiply
    37,253.20x = 51,428.46 × 28,736.20
  4. Step 4: Simplify right side
    37,253.20x = 1,477,858,512.25
  5. Step 5: Solve for x
    x = 1,477,858,512.25/37,253.20
  6. Step 6: Final answer
    x = 39,670.65

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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.