Home / 43,044.26-64,570.12-11,879.52

Finding the Fourth Proportional to 43,044.26, 64,570.12 and 11,879.52

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Solution

The fourth proportional to 43,044.26, 64,570.12 and 11,879.52 is: 17,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,044.26 : 64,570.12 = 11,879.52 : x
  2. Step 2: Convert to fraction form
    43,044.26/64,570.12 = 11,879.52/x
  3. Step 3: Cross multiply
    43,044.26x = 64,570.12 × 11,879.52
  4. Step 4: Simplify right side
    43,044.26x = 767,062,031.94
  5. Step 5: Solve for x
    x = 767,062,031.94/43,044.26
  6. Step 6: Final answer
    x = 17,820.31

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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.