Home / 29,531.45-40,751.90-16,102.60

Finding the Fourth Proportional to 29,531.45, 40,751.90 and 16,102.60

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Solution

The fourth proportional to 29,531.45, 40,751.90 and 16,102.60 is: 22,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.45 : 40,751.90 = 16,102.60 : x
  2. Step 2: Convert to fraction form
    29,531.45/40,751.90 = 16,102.60/x
  3. Step 3: Cross multiply
    29,531.45x = 40,751.90 × 16,102.60
  4. Step 4: Simplify right side
    29,531.45x = 656,211,341.18
  5. Step 5: Solve for x
    x = 656,211,341.18/29,531.45
  6. Step 6: Final answer
    x = 22,220.76

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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.