Home / 54,640.33-81,953.64-15,200.51

Finding the Fourth Proportional to 54,640.33, 81,953.64 and 15,200.51

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Solution

The fourth proportional to 54,640.33, 81,953.64 and 15,200.51 is: 22,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640.33 : 81,953.64 = 15,200.51 : x
  2. Step 2: Convert to fraction form
    54,640.33/81,953.64 = 15,200.51/x
  3. Step 3: Cross multiply
    54,640.33x = 81,953.64 × 15,200.51
  4. Step 4: Simplify right side
    54,640.33x = 1,245,736,714.59
  5. Step 5: Solve for x
    x = 1,245,736,714.59/54,640.33
  6. Step 6: Final answer
    x = 22,798.85

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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.