Home / 29,609.85-40,861.10-16,180.81

Finding the Fourth Proportional to 29,609.85, 40,861.10 and 16,180.81

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Solution

The fourth proportional to 29,609.85, 40,861.10 and 16,180.81 is: 22,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,609.85 : 40,861.10 = 16,180.81 : x
  2. Step 2: Convert to fraction form
    29,609.85/40,861.10 = 16,180.81/x
  3. Step 3: Cross multiply
    29,609.85x = 40,861.10 × 16,180.81
  4. Step 4: Simplify right side
    29,609.85x = 661,165,695.49
  5. Step 5: Solve for x
    x = 661,165,695.49/29,609.85
  6. Step 6: Final answer
    x = 22,329.25

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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.