Home / 46,018.34-69,027.61-12,738.50

Finding the Fourth Proportional to 46,018.34, 69,027.61 and 12,738.50

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Solution

The fourth proportional to 46,018.34, 69,027.61 and 12,738.50 is: 19,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,018.34 : 69,027.61 = 12,738.50 : x
  2. Step 2: Convert to fraction form
    46,018.34/69,027.61 = 12,738.50/x
  3. Step 3: Cross multiply
    46,018.34x = 69,027.61 × 12,738.50
  4. Step 4: Simplify right side
    46,018.34x = 879,308,209.99
  5. Step 5: Solve for x
    x = 879,308,209.99/46,018.34
  6. Step 6: Final answer
    x = 19,107.78

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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.