Home / 64,977.12-97,477.83-20,591.96

Finding the Fourth Proportional to 64,977.12, 97,477.83 and 20,591.96

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Solution

The fourth proportional to 64,977.12, 97,477.83 and 20,591.96 is: 30,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.12 : 97,477.83 = 20,591.96 : x
  2. Step 2: Convert to fraction form
    64,977.12/97,477.83 = 20,591.96/x
  3. Step 3: Cross multiply
    64,977.12x = 97,477.83 × 20,591.96
  4. Step 4: Simplify right side
    64,977.12x = 2,007,259,449.89
  5. Step 5: Solve for x
    x = 2,007,259,449.89/64,977.12
  6. Step 6: Final answer
    x = 30,891.79

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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.