Home / 37,729.80-56,603.21-12,768.44

Finding the Fourth Proportional to 37,729.80, 56,603.21 and 12,768.44

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Solution

The fourth proportional to 37,729.80, 56,603.21 and 12,768.44 is: 19,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,729.80 : 56,603.21 = 12,768.44 : x
  2. Step 2: Convert to fraction form
    37,729.80/56,603.21 = 12,768.44/x
  3. Step 3: Cross multiply
    37,729.80x = 56,603.21 × 12,768.44
  4. Step 4: Simplify right side
    37,729.80x = 722,734,343.83
  5. Step 5: Solve for x
    x = 722,734,343.83/37,729.80
  6. Step 6: Final answer
    x = 19,155.53

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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.