Home / 55,704.94-76,876.47-30,554.44

Finding the Fourth Proportional to 55,704.94, 76,876.47 and 30,554.44

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Solution

The fourth proportional to 55,704.94, 76,876.47 and 30,554.44 is: 42,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.94 : 76,876.47 = 30,554.44 : x
  2. Step 2: Convert to fraction form
    55,704.94/76,876.47 = 30,554.44/x
  3. Step 3: Cross multiply
    55,704.94x = 76,876.47 × 30,554.44
  4. Step 4: Simplify right side
    55,704.94x = 2,348,917,297.84
  5. Step 5: Solve for x
    x = 2,348,917,297.84/55,704.94
  6. Step 6: Final answer
    x = 42,167.13

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1.5x scale

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.