Home / 29,086.71-40,137.30-16,339.20

Finding the Fourth Proportional to 29,086.71, 40,137.30 and 16,339.20

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Solution

The fourth proportional to 29,086.71, 40,137.30 and 16,339.20 is: 22,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.71 : 40,137.30 = 16,339.20 : x
  2. Step 2: Convert to fraction form
    29,086.71/40,137.30 = 16,339.20/x
  3. Step 3: Cross multiply
    29,086.71x = 40,137.30 × 16,339.20
  4. Step 4: Simplify right side
    29,086.71x = 655,811,372.16
  5. Step 5: Solve for x
    x = 655,811,372.16/29,086.71
  6. Step 6: Final answer
    x = 22,546.77

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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.