Home / 56,080.48-84,135.84-18,646.60

Finding the Fourth Proportional to 56,080.48, 84,135.84 and 18,646.60

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Solution

The fourth proportional to 56,080.48, 84,135.84 and 18,646.60 is: 27,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,080.48 : 84,135.84 = 18,646.60 : x
  2. Step 2: Convert to fraction form
    56,080.48/84,135.84 = 18,646.60/x
  3. Step 3: Cross multiply
    56,080.48x = 84,135.84 × 18,646.60
  4. Step 4: Simplify right side
    56,080.48x = 1,568,847,354.14
  5. Step 5: Solve for x
    x = 1,568,847,354.14/56,080.48
  6. Step 6: Final answer
    x = 27,974.93

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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.