Home / 34,046.48-46,971.24-21,119.78

Finding the Fourth Proportional to 34,046.48, 46,971.24 and 21,119.78

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Solution

The fourth proportional to 34,046.48, 46,971.24 and 21,119.78 is: 29,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,046.48 : 46,971.24 = 21,119.78 : x
  2. Step 2: Convert to fraction form
    34,046.48/46,971.24 = 21,119.78/x
  3. Step 3: Cross multiply
    34,046.48x = 46,971.24 × 21,119.78
  4. Step 4: Simplify right side
    34,046.48x = 992,022,020.27
  5. Step 5: Solve for x
    x = 992,022,020.27/34,046.48
  6. Step 6: Final answer
    x = 29,137.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.