Home / 30,087.42-41,520.96-16,658.88

Finding the Fourth Proportional to 30,087.42, 41,520.96 and 16,658.88

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Solution

The fourth proportional to 30,087.42, 41,520.96 and 16,658.88 is: 22,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.42 : 41,520.96 = 16,658.88 : x
  2. Step 2: Convert to fraction form
    30,087.42/41,520.96 = 16,658.88/x
  3. Step 3: Cross multiply
    30,087.42x = 41,520.96 × 16,658.88
  4. Step 4: Simplify right side
    30,087.42x = 691,692,690.12
  5. Step 5: Solve for x
    x = 691,692,690.12/30,087.42
  6. Step 6: Final answer
    x = 22,989.43

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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.