Home / 45,432.96-68,150.16-13,843.68

Finding the Fourth Proportional to 45,432.96, 68,150.16 and 13,843.68

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Solution

The fourth proportional to 45,432.96, 68,150.16 and 13,843.68 is: 20,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.96 : 68,150.16 = 13,843.68 : x
  2. Step 2: Convert to fraction form
    45,432.96/68,150.16 = 13,843.68/x
  3. Step 3: Cross multiply
    45,432.96x = 68,150.16 × 13,843.68
  4. Step 4: Simplify right side
    45,432.96x = 943,449,006.99
  5. Step 5: Solve for x
    x = 943,449,006.99/45,432.96
  6. Step 6: Final answer
    x = 20,765.74

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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.