Home / 29,078.26-40,127.86-16,331.44

Finding the Fourth Proportional to 29,078.26, 40,127.86 and 16,331.44

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Solution

The fourth proportional to 29,078.26, 40,127.86 and 16,331.44 is: 22,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.26 : 40,127.86 = 16,331.44 : x
  2. Step 2: Convert to fraction form
    29,078.26/40,127.86 = 16,331.44/x
  3. Step 3: Cross multiply
    29,078.26x = 40,127.86 × 16,331.44
  4. Step 4: Simplify right side
    29,078.26x = 655,345,641.39
  5. Step 5: Solve for x
    x = 655,345,641.39/29,078.26
  6. Step 6: Final answer
    x = 22,537.31

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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.