Home / 63,789.94-95,688.83-19,419.99

Finding the Fourth Proportional to 63,789.94, 95,688.83 and 19,419.99

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Solution

The fourth proportional to 63,789.94, 95,688.83 and 19,419.99 is: 29,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,789.94 : 95,688.83 = 19,419.99 : x
  2. Step 2: Convert to fraction form
    63,789.94/95,688.83 = 19,419.99/x
  3. Step 3: Cross multiply
    63,789.94x = 95,688.83 × 19,419.99
  4. Step 4: Simplify right side
    63,789.94x = 1,858,276,121.71
  5. Step 5: Solve for x
    x = 1,858,276,121.71/63,789.94
  6. Step 6: Final answer
    x = 29,131.18

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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.