Home / 47,727.50-65,912.92-35,771.90

Finding the Fourth Proportional to 47,727.50, 65,912.92 and 35,771.90

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Solution

The fourth proportional to 47,727.50, 65,912.92 and 35,771.90 is: 49,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,727.50 : 65,912.92 = 35,771.90 : x
  2. Step 2: Convert to fraction form
    47,727.50/65,912.92 = 35,771.90/x
  3. Step 3: Cross multiply
    47,727.50x = 65,912.92 × 35,771.90
  4. Step 4: Simplify right side
    47,727.50x = 2,357,830,382.95
  5. Step 5: Solve for x
    x = 2,357,830,382.95/47,727.50
  6. Step 6: Final answer
    x = 49,401.93

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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.