Home / 29,042.43-40,063.77-18,976.75

Finding the Fourth Proportional to 29,042.43, 40,063.77 and 18,976.75

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Solution

The fourth proportional to 29,042.43, 40,063.77 and 18,976.75 is: 26,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,042.43 : 40,063.77 = 18,976.75 : x
  2. Step 2: Convert to fraction form
    29,042.43/40,063.77 = 18,976.75/x
  3. Step 3: Cross multiply
    29,042.43x = 40,063.77 × 18,976.75
  4. Step 4: Simplify right side
    29,042.43x = 760,280,147.35
  5. Step 5: Solve for x
    x = 760,280,147.35/29,042.43
  6. Step 6: Final answer
    x = 26,178.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.