Home / 53,039.22-79,556.76-17,978.94

Finding the Fourth Proportional to 53,039.22, 79,556.76 and 17,978.94

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Solution

The fourth proportional to 53,039.22, 79,556.76 and 17,978.94 is: 26,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039.22 : 79,556.76 = 17,978.94 : x
  2. Step 2: Convert to fraction form
    53,039.22/79,556.76 = 17,978.94/x
  3. Step 3: Cross multiply
    53,039.22x = 79,556.76 × 17,978.94
  4. Step 4: Simplify right side
    53,039.22x = 1,430,346,214.63
  5. Step 5: Solve for x
    x = 1,430,346,214.63/53,039.22
  6. Step 6: Final answer
    x = 26,967.71

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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.