Home / 30,194.56-45,277.21-12,659.68

Finding the Fourth Proportional to 30,194.56, 45,277.21 and 12,659.68

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Solution

The fourth proportional to 30,194.56, 45,277.21 and 12,659.68 is: 18,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,194.56 : 45,277.21 = 12,659.68 : x
  2. Step 2: Convert to fraction form
    30,194.56/45,277.21 = 12,659.68/x
  3. Step 3: Cross multiply
    30,194.56x = 45,277.21 × 12,659.68
  4. Step 4: Simplify right side
    30,194.56x = 573,194,989.89
  5. Step 5: Solve for x
    x = 573,194,989.89/30,194.56
  6. Step 6: Final answer
    x = 18,983.39

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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.