Home / 55,259.20-82,897.03-19,717.75

Finding the Fourth Proportional to 55,259.20, 82,897.03 and 19,717.75

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Solution

The fourth proportional to 55,259.20, 82,897.03 and 19,717.75 is: 29,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,259.20 : 82,897.03 = 19,717.75 : x
  2. Step 2: Convert to fraction form
    55,259.20/82,897.03 = 19,717.75/x
  3. Step 3: Cross multiply
    55,259.20x = 82,897.03 × 19,717.75
  4. Step 4: Simplify right side
    55,259.20x = 1,634,542,498.80
  5. Step 5: Solve for x
    x = 1,634,542,498.80/55,259.20
  6. Step 6: Final answer
    x = 29,579.56

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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.