Home / 47,480.76-65,527.92-28,360.35

Finding the Fourth Proportional to 47,480.76, 65,527.92 and 28,360.35

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Solution

The fourth proportional to 47,480.76, 65,527.92 and 28,360.35 is: 39,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.76 : 65,527.92 = 28,360.35 : x
  2. Step 2: Convert to fraction form
    47,480.76/65,527.92 = 28,360.35/x
  3. Step 3: Cross multiply
    47,480.76x = 65,527.92 × 28,360.35
  4. Step 4: Simplify right side
    47,480.76x = 1,858,394,745.97
  5. Step 5: Solve for x
    x = 1,858,394,745.97/47,480.76
  6. Step 6: Final answer
    x = 39,139.95

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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.