Home / 43,044.14-64,569.94-11,879.40

Finding the Fourth Proportional to 43,044.14, 64,569.94 and 11,879.40

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Solution

The fourth proportional to 43,044.14, 64,569.94 and 11,879.40 is: 17,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,044.14 : 64,569.94 = 11,879.40 : x
  2. Step 2: Convert to fraction form
    43,044.14/64,569.94 = 11,879.40/x
  3. Step 3: Cross multiply
    43,044.14x = 64,569.94 × 11,879.40
  4. Step 4: Simplify right side
    43,044.14x = 767,052,145.24
  5. Step 5: Solve for x
    x = 767,052,145.24/43,044.14
  6. Step 6: Final answer
    x = 17,820.13

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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.