Home / 45,117.22-67,679.34-18,829.48

Finding the Fourth Proportional to 45,117.22, 67,679.34 and 18,829.48

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Solution

The fourth proportional to 45,117.22, 67,679.34 and 18,829.48 is: 28,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117.22 : 67,679.34 = 18,829.48 : x
  2. Step 2: Convert to fraction form
    45,117.22/67,679.34 = 18,829.48/x
  3. Step 3: Cross multiply
    45,117.22x = 67,679.34 × 18,829.48
  4. Step 4: Simplify right side
    45,117.22x = 1,274,366,778.94
  5. Step 5: Solve for x
    x = 1,274,366,778.94/45,117.22
  6. Step 6: Final answer
    x = 28,245.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.