Home / 54,936.45-82,404.68-19,867.91

Finding the Fourth Proportional to 54,936.45, 82,404.68 and 19,867.91

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Solution

The fourth proportional to 54,936.45, 82,404.68 and 19,867.91 is: 29,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,936.45 : 82,404.68 = 19,867.91 : x
  2. Step 2: Convert to fraction form
    54,936.45/82,404.68 = 19,867.91/x
  3. Step 3: Cross multiply
    54,936.45x = 82,404.68 × 19,867.91
  4. Step 4: Simplify right side
    54,936.45x = 1,637,208,254.46
  5. Step 5: Solve for x
    x = 1,637,208,254.46/54,936.45
  6. Step 6: Final answer
    x = 29,801.86

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1.5x scale

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.