Home / 65,546.20-90,453.40-37,257.36

Finding the Fourth Proportional to 65,546.20, 90,453.40 and 37,257.36

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Solution

The fourth proportional to 65,546.20, 90,453.40 and 37,257.36 is: 51,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,546.20 : 90,453.40 = 37,257.36 : x
  2. Step 2: Convert to fraction form
    65,546.20/90,453.40 = 37,257.36/x
  3. Step 3: Cross multiply
    65,546.20x = 90,453.40 × 37,257.36
  4. Step 4: Simplify right side
    65,546.20x = 3,370,054,887.02
  5. Step 5: Solve for x
    x = 3,370,054,887.02/65,546.20
  6. Step 6: Final answer
    x = 51,414.95

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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.