Home / 37,285.92-51,453.84-20,518.56

Finding the Fourth Proportional to 37,285.92, 51,453.84 and 20,518.56

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Solution

The fourth proportional to 37,285.92, 51,453.84 and 20,518.56 is: 28,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.92 : 51,453.84 = 20,518.56 : x
  2. Step 2: Convert to fraction form
    37,285.92/51,453.84 = 20,518.56/x
  3. Step 3: Cross multiply
    37,285.92x = 51,453.84 × 20,518.56
  4. Step 4: Simplify right side
    37,285.92x = 1,055,758,703.27
  5. Step 5: Solve for x
    x = 1,055,758,703.27/37,285.92
  6. Step 6: Final answer
    x = 28,315.21

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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.