Home / 37,285.10-51,453.68-20,289.48

Finding the Fourth Proportional to 37,285.10, 51,453.68 and 20,289.48

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Solution

The fourth proportional to 37,285.10, 51,453.68 and 20,289.48 is: 27,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.10 : 51,453.68 = 20,289.48 : x
  2. Step 2: Convert to fraction form
    37,285.10/51,453.68 = 20,289.48/x
  3. Step 3: Cross multiply
    37,285.10x = 51,453.68 × 20,289.48
  4. Step 4: Simplify right side
    37,285.10x = 1,043,968,411.29
  5. Step 5: Solve for x
    x = 1,043,968,411.29/37,285.10
  6. Step 6: Final answer
    x = 27,999.61

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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.