Home / 29,311.88-40,433.99-17,986.86

Finding the Fourth Proportional to 29,311.88, 40,433.99 and 17,986.86

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Solution

The fourth proportional to 29,311.88, 40,433.99 and 17,986.86 is: 24,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.88 : 40,433.99 = 17,986.86 : x
  2. Step 2: Convert to fraction form
    29,311.88/40,433.99 = 17,986.86/x
  3. Step 3: Cross multiply
    29,311.88x = 40,433.99 × 17,986.86
  4. Step 4: Simplify right side
    29,311.88x = 727,280,427.44
  5. Step 5: Solve for x
    x = 727,280,427.44/29,311.88
  6. Step 6: Final answer
    x = 24,811.80

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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.