Home / 55,771.88-76,977.06-33,428.84

Finding the Fourth Proportional to 55,771.88, 76,977.06 and 33,428.84

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Solution

The fourth proportional to 55,771.88, 76,977.06 and 33,428.84 is: 46,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.88 : 76,977.06 = 33,428.84 : x
  2. Step 2: Convert to fraction form
    55,771.88/76,977.06 = 33,428.84/x
  3. Step 3: Cross multiply
    55,771.88x = 76,977.06 × 33,428.84
  4. Step 4: Simplify right side
    55,771.88x = 2,573,253,822.41
  5. Step 5: Solve for x
    x = 2,573,253,822.41/55,771.88
  6. Step 6: Final answer
    x = 46,138.91

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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.