Home / 37,956.47-56,933.91-12,657.80

Finding the Fourth Proportional to 37,956.47, 56,933.91 and 12,657.80

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Solution

The fourth proportional to 37,956.47, 56,933.91 and 12,657.80 is: 18,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,956.47 : 56,933.91 = 12,657.80 : x
  2. Step 2: Convert to fraction form
    37,956.47/56,933.91 = 12,657.80/x
  3. Step 3: Cross multiply
    37,956.47x = 56,933.91 × 12,657.80
  4. Step 4: Simplify right side
    37,956.47x = 720,658,188.33
  5. Step 5: Solve for x
    x = 720,658,188.33/37,956.47
  6. Step 6: Final answer
    x = 18,986.44

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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.