Home / 29,515.35-40,730-16,086.32

Finding the Fourth Proportional to 29,515.35, 40,730 and 16,086.32

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Solution

The fourth proportional to 29,515.35, 40,730 and 16,086.32 is: 22,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.35 : 40,730 = 16,086.32 : x
  2. Step 2: Convert to fraction form
    29,515.35/40,730 = 16,086.32/x
  3. Step 3: Cross multiply
    29,515.35x = 40,730 × 16,086.32
  4. Step 4: Simplify right side
    29,515.35x = 655,195,813.60
  5. Step 5: Solve for x
    x = 655,195,813.60/29,515.35
  6. Step 6: Final answer
    x = 22,198.48

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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.