Home / 47,391.94-65,400-26,170.75

Finding the Fourth Proportional to 47,391.94, 65,400 and 26,170.75

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Solution

The fourth proportional to 47,391.94, 65,400 and 26,170.75 is: 36,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391.94 : 65,400 = 26,170.75 : x
  2. Step 2: Convert to fraction form
    47,391.94/65,400 = 26,170.75/x
  3. Step 3: Cross multiply
    47,391.94x = 65,400 × 26,170.75
  4. Step 4: Simplify right side
    47,391.94x = 1,711,567,050
  5. Step 5: Solve for x
    x = 1,711,567,050/47,391.94
  6. Step 6: Final answer
    x = 36,115.15

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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.