Home / 45,720.96-68,591.79-16,139.01

Finding the Fourth Proportional to 45,720.96, 68,591.79 and 16,139.01

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Solution

The fourth proportional to 45,720.96, 68,591.79 and 16,139.01 is: 24,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,720.96 : 68,591.79 = 16,139.01 : x
  2. Step 2: Convert to fraction form
    45,720.96/68,591.79 = 16,139.01/x
  3. Step 3: Cross multiply
    45,720.96x = 68,591.79 × 16,139.01
  4. Step 4: Simplify right side
    45,720.96x = 1,107,003,584.73
  5. Step 5: Solve for x
    x = 1,107,003,584.73/45,720.96
  6. Step 6: Final answer
    x = 24,212.17

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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.