Home / 34,258.67-51,386.23-12,072.20

Finding the Fourth Proportional to 34,258.67, 51,386.23 and 12,072.20

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Solution

The fourth proportional to 34,258.67, 51,386.23 and 12,072.20 is: 18,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,258.67 : 51,386.23 = 12,072.20 : x
  2. Step 2: Convert to fraction form
    34,258.67/51,386.23 = 12,072.20/x
  3. Step 3: Cross multiply
    34,258.67x = 51,386.23 × 12,072.20
  4. Step 4: Simplify right side
    34,258.67x = 620,344,845.81
  5. Step 5: Solve for x
    x = 620,344,845.81/34,258.67
  6. Step 6: Final answer
    x = 18,107.67

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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.