Home / 65,346.63-90,164.44-38,479.33

Finding the Fourth Proportional to 65,346.63, 90,164.44 and 38,479.33

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Solution

The fourth proportional to 65,346.63, 90,164.44 and 38,479.33 is: 53,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,346.63 : 90,164.44 = 38,479.33 : x
  2. Step 2: Convert to fraction form
    65,346.63/90,164.44 = 38,479.33/x
  3. Step 3: Cross multiply
    65,346.63x = 90,164.44 × 38,479.33
  4. Step 4: Simplify right side
    65,346.63x = 3,469,467,241.03
  5. Step 5: Solve for x
    x = 3,469,467,241.03/65,346.63
  6. Step 6: Final answer
    x = 53,093.28

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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.