Home / 65,679.37-90,630.96-36,998.23

Finding the Fourth Proportional to 65,679.37, 90,630.96 and 36,998.23

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Solution

The fourth proportional to 65,679.37, 90,630.96 and 36,998.23 is: 51,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,679.37 : 90,630.96 = 36,998.23 : x
  2. Step 2: Convert to fraction form
    65,679.37/90,630.96 = 36,998.23/x
  3. Step 3: Cross multiply
    65,679.37x = 90,630.96 × 36,998.23
  4. Step 4: Simplify right side
    65,679.37x = 3,353,185,103.20
  5. Step 5: Solve for x
    x = 3,353,185,103.20/65,679.37
  6. Step 6: Final answer
    x = 51,053.86

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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.