Home / 51,975.89-71,745.15-30,755.10

Finding the Fourth Proportional to 51,975.89, 71,745.15 and 30,755.10

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Solution

The fourth proportional to 51,975.89, 71,745.15 and 30,755.10 is: 42,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.89 : 71,745.15 = 30,755.10 : x
  2. Step 2: Convert to fraction form
    51,975.89/71,745.15 = 30,755.10/x
  3. Step 3: Cross multiply
    51,975.89x = 71,745.15 × 30,755.10
  4. Step 4: Simplify right side
    51,975.89x = 2,206,529,262.77
  5. Step 5: Solve for x
    x = 2,206,529,262.77/51,975.89
  6. Step 6: Final answer
    x = 42,452.94

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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.