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Finding the Fourth Proportional to 41,120.31, 61,661.01 and 18,927.12

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Solution

The fourth proportional to 41,120.31, 61,661.01 and 18,927.12 is: 28,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,120.31 : 61,661.01 = 18,927.12 : x
  2. Step 2: Convert to fraction form
    41,120.31/61,661.01 = 18,927.12/x
  3. Step 3: Cross multiply
    41,120.31x = 61,661.01 × 18,927.12
  4. Step 4: Simplify right side
    41,120.31x = 1,167,065,335.59
  5. Step 5: Solve for x
    x = 1,167,065,335.59/41,120.31
  6. Step 6: Final answer
    x = 28,381.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.