Home / 56,074.24-84,105.60-18,636.80

Finding the Fourth Proportional to 56,074.24, 84,105.60 and 18,636.80

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Solution

The fourth proportional to 56,074.24, 84,105.60 and 18,636.80 is: 27,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,074.24 : 84,105.60 = 18,636.80 : x
  2. Step 2: Convert to fraction form
    56,074.24/84,105.60 = 18,636.80/x
  3. Step 3: Cross multiply
    56,074.24x = 84,105.60 × 18,636.80
  4. Step 4: Simplify right side
    56,074.24x = 1,567,459,246.08
  5. Step 5: Solve for x
    x = 1,567,459,246.08/56,074.24
  6. Step 6: Final answer
    x = 27,953.29

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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.