Home / 37,106.20-51,205.80-20,339.20

Finding the Fourth Proportional to 37,106.20, 51,205.80 and 20,339.20

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Solution

The fourth proportional to 37,106.20, 51,205.80 and 20,339.20 is: 28,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,106.20 : 51,205.80 = 20,339.20 : x
  2. Step 2: Convert to fraction form
    37,106.20/51,205.80 = 20,339.20/x
  3. Step 3: Cross multiply
    37,106.20x = 51,205.80 × 20,339.20
  4. Step 4: Simplify right side
    37,106.20x = 1,041,485,007.36
  5. Step 5: Solve for x
    x = 1,041,485,007.36/37,106.20
  6. Step 6: Final answer
    x = 28,067.68

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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.