Home / 56,229.14-84,348.05-18,789.34

Finding the Fourth Proportional to 56,229.14, 84,348.05 and 18,789.34

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Solution

The fourth proportional to 56,229.14, 84,348.05 and 18,789.34 is: 28,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.14 : 84,348.05 = 18,789.34 : x
  2. Step 2: Convert to fraction form
    56,229.14/84,348.05 = 18,789.34/x
  3. Step 3: Cross multiply
    56,229.14x = 84,348.05 × 18,789.34
  4. Step 4: Simplify right side
    56,229.14x = 1,584,843,978.92
  5. Step 5: Solve for x
    x = 1,584,843,978.92/56,229.14
  6. Step 6: Final answer
    x = 28,185.46

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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.