Home / 29,408.63-40,583.78-15,979.64

Finding the Fourth Proportional to 29,408.63, 40,583.78 and 15,979.64

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Solution

The fourth proportional to 29,408.63, 40,583.78 and 15,979.64 is: 22,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,408.63 : 40,583.78 = 15,979.64 : x
  2. Step 2: Convert to fraction form
    29,408.63/40,583.78 = 15,979.64/x
  3. Step 3: Cross multiply
    29,408.63x = 40,583.78 × 15,979.64
  4. Step 4: Simplify right side
    29,408.63x = 648,514,194.24
  5. Step 5: Solve for x
    x = 648,514,194.24/29,408.63
  6. Step 6: Final answer
    x = 22,051.83

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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.