Home / 46,635.90-69,928.20-31,861.50

Finding the Fourth Proportional to 46,635.90, 69,928.20 and 31,861.50

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Solution

The fourth proportional to 46,635.90, 69,928.20 and 31,861.50 is: 47,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,635.90 : 69,928.20 = 31,861.50 : x
  2. Step 2: Convert to fraction form
    46,635.90/69,928.20 = 31,861.50/x
  3. Step 3: Cross multiply
    46,635.90x = 69,928.20 × 31,861.50
  4. Step 4: Simplify right side
    46,635.90x = 2,228,017,344.30
  5. Step 5: Solve for x
    x = 2,228,017,344.30/46,635.90
  6. Step 6: Final answer
    x = 47,774.73

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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.