Home / 30,659.64-42,311.30-17,233.48

Finding the Fourth Proportional to 30,659.64, 42,311.30 and 17,233.48

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Solution

The fourth proportional to 30,659.64, 42,311.30 and 17,233.48 is: 23,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.64 : 42,311.30 = 17,233.48 : x
  2. Step 2: Convert to fraction form
    30,659.64/42,311.30 = 17,233.48/x
  3. Step 3: Cross multiply
    30,659.64x = 42,311.30 × 17,233.48
  4. Step 4: Simplify right side
    30,659.64x = 729,170,942.32
  5. Step 5: Solve for x
    x = 729,170,942.32/30,659.64
  6. Step 6: Final answer
    x = 23,782.76

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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.