Home / 43,325.26-64,990.18-12,162.94

Finding the Fourth Proportional to 43,325.26, 64,990.18 and 12,162.94

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Solution

The fourth proportional to 43,325.26, 64,990.18 and 12,162.94 is: 18,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.26 : 64,990.18 = 12,162.94 : x
  2. Step 2: Convert to fraction form
    43,325.26/64,990.18 = 12,162.94/x
  3. Step 3: Cross multiply
    43,325.26x = 64,990.18 × 12,162.94
  4. Step 4: Simplify right side
    43,325.26x = 790,471,659.93
  5. Step 5: Solve for x
    x = 790,471,659.93/43,325.26
  6. Step 6: Final answer
    x = 18,245.05

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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.