Home / 37,285.20-51,453.18-20,289.96

Finding the Fourth Proportional to 37,285.20, 51,453.18 and 20,289.96

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Solution

The fourth proportional to 37,285.20, 51,453.18 and 20,289.96 is: 27,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.20 : 51,453.18 = 20,289.96 : x
  2. Step 2: Convert to fraction form
    37,285.20/51,453.18 = 20,289.96/x
  3. Step 3: Cross multiply
    37,285.20x = 51,453.18 × 20,289.96
  4. Step 4: Simplify right side
    37,285.20x = 1,043,982,964.07
  5. Step 5: Solve for x
    x = 1,043,982,964.07/37,285.20
  6. Step 6: Final answer
    x = 27,999.93

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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.