Home / 29,091.32-40,142.64-16,342.80

Finding the Fourth Proportional to 29,091.32, 40,142.64 and 16,342.80

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Solution

The fourth proportional to 29,091.32, 40,142.64 and 16,342.80 is: 22,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,091.32 : 40,142.64 = 16,342.80 : x
  2. Step 2: Convert to fraction form
    29,091.32/40,142.64 = 16,342.80/x
  3. Step 3: Cross multiply
    29,091.32x = 40,142.64 × 16,342.80
  4. Step 4: Simplify right side
    29,091.32x = 656,043,136.99
  5. Step 5: Solve for x
    x = 656,043,136.99/29,091.32
  6. Step 6: Final answer
    x = 22,551.16

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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.