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Finding the Fourth Proportional to 29,941.40, 41,191.80 and 29,111.02

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Solution

The fourth proportional to 29,941.40, 41,191.80 and 29,111.02 is: 40,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,941.40 : 41,191.80 = 29,111.02 : x
  2. Step 2: Convert to fraction form
    29,941.40/41,191.80 = 29,111.02/x
  3. Step 3: Cross multiply
    29,941.40x = 41,191.80 × 29,111.02
  4. Step 4: Simplify right side
    29,941.40x = 1,199,135,422.03
  5. Step 5: Solve for x
    x = 1,199,135,422.03/29,941.40
  6. Step 6: Final answer
    x = 40,049.41

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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.