Home / 64,731.68-97,107.96-19,144

Finding the Fourth Proportional to 64,731.68, 97,107.96 and 19,144

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Solution

The fourth proportional to 64,731.68, 97,107.96 and 19,144 is: 28,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,731.68 : 97,107.96 = 19,144 : x
  2. Step 2: Convert to fraction form
    64,731.68/97,107.96 = 19,144/x
  3. Step 3: Cross multiply
    64,731.68x = 97,107.96 × 19,144
  4. Step 4: Simplify right side
    64,731.68x = 1,859,034,786.24
  5. Step 5: Solve for x
    x = 1,859,034,786.24/64,731.68
  6. Step 6: Final answer
    x = 28,719.09

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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.