Home / 56,556.33-84,820.48-19,115.57

Finding the Fourth Proportional to 56,556.33, 84,820.48 and 19,115.57

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Solution

The fourth proportional to 56,556.33, 84,820.48 and 19,115.57 is: 28,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,556.33 : 84,820.48 = 19,115.57 : x
  2. Step 2: Convert to fraction form
    56,556.33/84,820.48 = 19,115.57/x
  3. Step 3: Cross multiply
    56,556.33x = 84,820.48 × 19,115.57
  4. Step 4: Simplify right side
    56,556.33x = 1,621,391,987.14
  5. Step 5: Solve for x
    x = 1,621,391,987.14/56,556.33
  6. Step 6: Final answer
    x = 28,668.62

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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.