Home / 48,954.12-73,431.25-12,018.12

Finding the Fourth Proportional to 48,954.12, 73,431.25 and 12,018.12

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Solution

The fourth proportional to 48,954.12, 73,431.25 and 12,018.12 is: 18,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,954.12 : 73,431.25 = 12,018.12 : x
  2. Step 2: Convert to fraction form
    48,954.12/73,431.25 = 12,018.12/x
  3. Step 3: Cross multiply
    48,954.12x = 73,431.25 × 12,018.12
  4. Step 4: Simplify right side
    48,954.12x = 882,505,574.25
  5. Step 5: Solve for x
    x = 882,505,574.25/48,954.12
  6. Step 6: Final answer
    x = 18,027.20

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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.