Home / 47,942.01-71,912.96-12,881.67

Finding the Fourth Proportional to 47,942.01, 71,912.96 and 12,881.67

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Solution

The fourth proportional to 47,942.01, 71,912.96 and 12,881.67 is: 19,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.01 : 71,912.96 = 12,881.67 : x
  2. Step 2: Convert to fraction form
    47,942.01/71,912.96 = 12,881.67/x
  3. Step 3: Cross multiply
    47,942.01x = 71,912.96 × 12,881.67
  4. Step 4: Simplify right side
    47,942.01x = 926,358,955.03
  5. Step 5: Solve for x
    x = 926,358,955.03/47,942.01
  6. Step 6: Final answer
    x = 19,322.49

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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.