Home / 63,789.36-95,688.93-19,419.90

Finding the Fourth Proportional to 63,789.36, 95,688.93 and 19,419.90

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Solution

The fourth proportional to 63,789.36, 95,688.93 and 19,419.90 is: 29,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,789.36 : 95,688.93 = 19,419.90 : x
  2. Step 2: Convert to fraction form
    63,789.36/95,688.93 = 19,419.90/x
  3. Step 3: Cross multiply
    63,789.36x = 95,688.93 × 19,419.90
  4. Step 4: Simplify right side
    63,789.36x = 1,858,269,451.71
  5. Step 5: Solve for x
    x = 1,858,269,451.71/63,789.36
  6. Step 6: Final answer
    x = 29,131.34

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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.