Home / 43,611.48-65,415.84-12,446.73

Finding the Fourth Proportional to 43,611.48, 65,415.84 and 12,446.73

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Solution

The fourth proportional to 43,611.48, 65,415.84 and 12,446.73 is: 18,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.48 : 65,415.84 = 12,446.73 : x
  2. Step 2: Convert to fraction form
    43,611.48/65,415.84 = 12,446.73/x
  3. Step 3: Cross multiply
    43,611.48x = 65,415.84 × 12,446.73
  4. Step 4: Simplify right side
    43,611.48x = 814,213,298.20
  5. Step 5: Solve for x
    x = 814,213,298.20/43,611.48
  6. Step 6: Final answer
    x = 18,669.70

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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.