Home / 37,089.45-51,183.49-21,989.50

Finding the Fourth Proportional to 37,089.45, 51,183.49 and 21,989.50

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Solution

The fourth proportional to 37,089.45, 51,183.49 and 21,989.50 is: 30,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,089.45 : 51,183.49 = 21,989.50 : x
  2. Step 2: Convert to fraction form
    37,089.45/51,183.49 = 21,989.50/x
  3. Step 3: Cross multiply
    37,089.45x = 51,183.49 × 21,989.50
  4. Step 4: Simplify right side
    37,089.45x = 1,125,499,353.36
  5. Step 5: Solve for x
    x = 1,125,499,353.36/37,089.45
  6. Step 6: Final answer
    x = 30,345.54

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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.