Home / 29,549.09-40,776.21-16,120.22

Finding the Fourth Proportional to 29,549.09, 40,776.21 and 16,120.22

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Solution

The fourth proportional to 29,549.09, 40,776.21 and 16,120.22 is: 22,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,549.09 : 40,776.21 = 16,120.22 : x
  2. Step 2: Convert to fraction form
    29,549.09/40,776.21 = 16,120.22/x
  3. Step 3: Cross multiply
    29,549.09x = 40,776.21 × 16,120.22
  4. Step 4: Simplify right side
    29,549.09x = 657,321,475.97
  5. Step 5: Solve for x
    x = 657,321,475.97/29,549.09
  6. Step 6: Final answer
    x = 22,245.07

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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.