Home / 46,961.34-70,450.20-20,665.38

Finding the Fourth Proportional to 46,961.34, 70,450.20 and 20,665.38

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Solution

The fourth proportional to 46,961.34, 70,450.20 and 20,665.38 is: 31,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,961.34 : 70,450.20 = 20,665.38 : x
  2. Step 2: Convert to fraction form
    46,961.34/70,450.20 = 20,665.38/x
  3. Step 3: Cross multiply
    46,961.34x = 70,450.20 × 20,665.38
  4. Step 4: Simplify right side
    46,961.34x = 1,455,880,154.08
  5. Step 5: Solve for x
    x = 1,455,880,154.08/46,961.34
  6. Step 6: Final answer
    x = 31,001.67

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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.