Home / 29,131.79-40,201.48-16,384.96

Finding the Fourth Proportional to 29,131.79, 40,201.48 and 16,384.96

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Solution

The fourth proportional to 29,131.79, 40,201.48 and 16,384.96 is: 22,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.79 : 40,201.48 = 16,384.96 : x
  2. Step 2: Convert to fraction form
    29,131.79/40,201.48 = 16,384.96/x
  3. Step 3: Cross multiply
    29,131.79x = 40,201.48 × 16,384.96
  4. Step 4: Simplify right side
    29,131.79x = 658,699,641.74
  5. Step 5: Solve for x
    x = 658,699,641.74/29,131.79
  6. Step 6: Final answer
    x = 22,611.03

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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.