Home / 29,129.10-40,193.19-16,378.98

Finding the Fourth Proportional to 29,129.10, 40,193.19 and 16,378.98

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Solution

The fourth proportional to 29,129.10, 40,193.19 and 16,378.98 is: 22,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.10 : 40,193.19 = 16,378.98 : x
  2. Step 2: Convert to fraction form
    29,129.10/40,193.19 = 16,378.98/x
  3. Step 3: Cross multiply
    29,129.10x = 40,193.19 × 16,378.98
  4. Step 4: Simplify right side
    29,129.10x = 658,323,455.15
  5. Step 5: Solve for x
    x = 658,323,455.15/29,129.10
  6. Step 6: Final answer
    x = 22,600.20

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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.