Home / 37,406.07-51,620.37-20,639.07

Finding the Fourth Proportional to 37,406.07, 51,620.37 and 20,639.07

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Solution

The fourth proportional to 37,406.07, 51,620.37 and 20,639.07 is: 28,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,406.07 : 51,620.37 = 20,639.07 : x
  2. Step 2: Convert to fraction form
    37,406.07/51,620.37 = 20,639.07/x
  3. Step 3: Cross multiply
    37,406.07x = 51,620.37 × 20,639.07
  4. Step 4: Simplify right side
    37,406.07x = 1,065,396,429.86
  5. Step 5: Solve for x
    x = 1,065,396,429.86/37,406.07
  6. Step 6: Final answer
    x = 28,481.91

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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.