Home / 37,782.64-52,137.84-20,783.98

Finding the Fourth Proportional to 37,782.64, 52,137.84 and 20,783.98

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Solution

The fourth proportional to 37,782.64, 52,137.84 and 20,783.98 is: 28,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,782.64 : 52,137.84 = 20,783.98 : x
  2. Step 2: Convert to fraction form
    37,782.64/52,137.84 = 20,783.98/x
  3. Step 3: Cross multiply
    37,782.64x = 52,137.84 × 20,783.98
  4. Step 4: Simplify right side
    37,782.64x = 1,083,631,823.80
  5. Step 5: Solve for x
    x = 1,083,631,823.80/37,782.64
  6. Step 6: Final answer
    x = 28,680.68

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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.