Home / 42,698.48-64,046.34-19,324.94

Finding the Fourth Proportional to 42,698.48, 64,046.34 and 19,324.94

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Solution

The fourth proportional to 42,698.48, 64,046.34 and 19,324.94 is: 28,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,698.48 : 64,046.34 = 19,324.94 : x
  2. Step 2: Convert to fraction form
    42,698.48/64,046.34 = 19,324.94/x
  3. Step 3: Cross multiply
    42,698.48x = 64,046.34 × 19,324.94
  4. Step 4: Simplify right side
    42,698.48x = 1,237,691,357.49
  5. Step 5: Solve for x
    x = 1,237,691,357.49/42,698.48
  6. Step 6: Final answer
    x = 28,986.78

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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.