Home / 56,081.48-84,137.34-18,647.60

Finding the Fourth Proportional to 56,081.48, 84,137.34 and 18,647.60

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Solution

The fourth proportional to 56,081.48, 84,137.34 and 18,647.60 is: 27,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,081.48 : 84,137.34 = 18,647.60 : x
  2. Step 2: Convert to fraction form
    56,081.48/84,137.34 = 18,647.60/x
  3. Step 3: Cross multiply
    56,081.48x = 84,137.34 × 18,647.60
  4. Step 4: Simplify right side
    56,081.48x = 1,568,959,461.38
  5. Step 5: Solve for x
    x = 1,568,959,461.38/56,081.48
  6. Step 6: Final answer
    x = 27,976.43

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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.