Home / 55,676.08-76,729.93-39,544.09

Finding the Fourth Proportional to 55,676.08, 76,729.93 and 39,544.09

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Solution

The fourth proportional to 55,676.08, 76,729.93 and 39,544.09 is: 54,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676.08 : 76,729.93 = 39,544.09 : x
  2. Step 2: Convert to fraction form
    55,676.08/76,729.93 = 39,544.09/x
  3. Step 3: Cross multiply
    55,676.08x = 76,729.93 × 39,544.09
  4. Step 4: Simplify right side
    55,676.08x = 3,034,215,257.61
  5. Step 5: Solve for x
    x = 3,034,215,257.61/55,676.08
  6. Step 6: Final answer
    x = 54,497.65

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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.