Home / 51,290.64-76,878.44-33,555.38

Finding the Fourth Proportional to 51,290.64, 76,878.44 and 33,555.38

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Solution

The fourth proportional to 51,290.64, 76,878.44 and 33,555.38 is: 50,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290.64 : 76,878.44 = 33,555.38 : x
  2. Step 2: Convert to fraction form
    51,290.64/76,878.44 = 33,555.38/x
  3. Step 3: Cross multiply
    51,290.64x = 76,878.44 × 33,555.38
  4. Step 4: Simplify right side
    51,290.64x = 2,579,684,715.84
  5. Step 5: Solve for x
    x = 2,579,684,715.84/51,290.64
  6. Step 6: Final answer
    x = 50,295.43

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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.