Home / 55,745.09-76,927.82-30,250.80

Finding the Fourth Proportional to 55,745.09, 76,927.82 and 30,250.80

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Solution

The fourth proportional to 55,745.09, 76,927.82 and 30,250.80 is: 41,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745.09 : 76,927.82 = 30,250.80 : x
  2. Step 2: Convert to fraction form
    55,745.09/76,927.82 = 30,250.80/x
  3. Step 3: Cross multiply
    55,745.09x = 76,927.82 × 30,250.80
  4. Step 4: Simplify right side
    55,745.09x = 2,327,127,946.00
  5. Step 5: Solve for x
    x = 2,327,127,946.00/55,745.09
  6. Step 6: Final answer
    x = 41,745.89

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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.