Home / 43,731.46-65,584.74-12,133.76

Finding the Fourth Proportional to 43,731.46, 65,584.74 and 12,133.76

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Solution

The fourth proportional to 43,731.46, 65,584.74 and 12,133.76 is: 18,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,731.46 : 65,584.74 = 12,133.76 : x
  2. Step 2: Convert to fraction form
    43,731.46/65,584.74 = 12,133.76/x
  3. Step 3: Cross multiply
    43,731.46x = 65,584.74 × 12,133.76
  4. Step 4: Simplify right side
    43,731.46x = 795,789,494.82
  5. Step 5: Solve for x
    x = 795,789,494.82/43,731.46
  6. Step 6: Final answer
    x = 18,197.19

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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.