Home / 37,700.22-56,540.99-12,739.71

Finding the Fourth Proportional to 37,700.22, 56,540.99 and 12,739.71

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Solution

The fourth proportional to 37,700.22, 56,540.99 and 12,739.71 is: 19,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,700.22 : 56,540.99 = 12,739.71 : x
  2. Step 2: Convert to fraction form
    37,700.22/56,540.99 = 12,739.71/x
  3. Step 3: Cross multiply
    37,700.22x = 56,540.99 × 12,739.71
  4. Step 4: Simplify right side
    37,700.22x = 720,315,987.93
  5. Step 5: Solve for x
    x = 720,315,987.93/37,700.22
  6. Step 6: Final answer
    x = 19,106.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.