Home / 30,167.96-41,630.40-16,739.12

Finding the Fourth Proportional to 30,167.96, 41,630.40 and 16,739.12

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Solution

The fourth proportional to 30,167.96, 41,630.40 and 16,739.12 is: 23,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.96 : 41,630.40 = 16,739.12 : x
  2. Step 2: Convert to fraction form
    30,167.96/41,630.40 = 16,739.12/x
  3. Step 3: Cross multiply
    30,167.96x = 41,630.40 × 16,739.12
  4. Step 4: Simplify right side
    30,167.96x = 696,856,261.25
  5. Step 5: Solve for x
    x = 696,856,261.25/30,167.96
  6. Step 6: Final answer
    x = 23,099.22

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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.