Home / 29,650.44-40,917-16,221.63

Finding the Fourth Proportional to 29,650.44, 40,917 and 16,221.63

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Solution

The fourth proportional to 29,650.44, 40,917 and 16,221.63 is: 22,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,650.44 : 40,917 = 16,221.63 : x
  2. Step 2: Convert to fraction form
    29,650.44/40,917 = 16,221.63/x
  3. Step 3: Cross multiply
    29,650.44x = 40,917 × 16,221.63
  4. Step 4: Simplify right side
    29,650.44x = 663,740,434.71
  5. Step 5: Solve for x
    x = 663,740,434.71/29,650.44
  6. Step 6: Final answer
    x = 22,385.52

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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.