Home / 34,789.69-48,008.46-21,361.51

Finding the Fourth Proportional to 34,789.69, 48,008.46 and 21,361.51

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Solution

The fourth proportional to 34,789.69, 48,008.46 and 21,361.51 is: 29,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,789.69 : 48,008.46 = 21,361.51 : x
  2. Step 2: Convert to fraction form
    34,789.69/48,008.46 = 21,361.51/x
  3. Step 3: Cross multiply
    34,789.69x = 48,008.46 × 21,361.51
  4. Step 4: Simplify right side
    34,789.69x = 1,025,533,198.37
  5. Step 5: Solve for x
    x = 1,025,533,198.37/34,789.69
  6. Step 6: Final answer
    x = 29,478.08

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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.