Home / 45,382.96-68,077.68-12,102.84

Finding the Fourth Proportional to 45,382.96, 68,077.68 and 12,102.84

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Solution

The fourth proportional to 45,382.96, 68,077.68 and 12,102.84 is: 18,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,382.96 : 68,077.68 = 12,102.84 : x
  2. Step 2: Convert to fraction form
    45,382.96/68,077.68 = 12,102.84/x
  3. Step 3: Cross multiply
    45,382.96x = 68,077.68 × 12,102.84
  4. Step 4: Simplify right side
    45,382.96x = 823,933,268.61
  5. Step 5: Solve for x
    x = 823,933,268.61/45,382.96
  6. Step 6: Final answer
    x = 18,155.12

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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.