Home / 34,845.72-48,087.14-18,930.18

Finding the Fourth Proportional to 34,845.72, 48,087.14 and 18,930.18

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Solution

The fourth proportional to 34,845.72, 48,087.14 and 18,930.18 is: 26,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,845.72 : 48,087.14 = 18,930.18 : x
  2. Step 2: Convert to fraction form
    34,845.72/48,087.14 = 18,930.18/x
  3. Step 3: Cross multiply
    34,845.72x = 48,087.14 × 18,930.18
  4. Step 4: Simplify right side
    34,845.72x = 910,298,121.23
  5. Step 5: Solve for x
    x = 910,298,121.23/34,845.72
  6. Step 6: Final answer
    x = 26,123.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.