Home / 29,549.56-40,778.33-16,120.81

Finding the Fourth Proportional to 29,549.56, 40,778.33 and 16,120.81

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Solution

The fourth proportional to 29,549.56, 40,778.33 and 16,120.81 is: 22,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,549.56 : 40,778.33 = 16,120.81 : x
  2. Step 2: Convert to fraction form
    29,549.56/40,778.33 = 16,120.81/x
  3. Step 3: Cross multiply
    29,549.56x = 40,778.33 × 16,120.81
  4. Step 4: Simplify right side
    29,549.56x = 657,379,710.05
  5. Step 5: Solve for x
    x = 657,379,710.05/29,549.56
  6. Step 6: Final answer
    x = 22,246.68

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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.