Home / 65,342.34-90,171.21-36,662.52

Finding the Fourth Proportional to 65,342.34, 90,171.21 and 36,662.52

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Solution

The fourth proportional to 65,342.34, 90,171.21 and 36,662.52 is: 50,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,342.34 : 90,171.21 = 36,662.52 : x
  2. Step 2: Convert to fraction form
    65,342.34/90,171.21 = 36,662.52/x
  3. Step 3: Cross multiply
    65,342.34x = 90,171.21 × 36,662.52
  4. Step 4: Simplify right side
    65,342.34x = 3,305,903,790.05
  5. Step 5: Solve for x
    x = 3,305,903,790.05/65,342.34
  6. Step 6: Final answer
    x = 50,593.59

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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.