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Finding the Fourth Proportional to 41,980, 57,932.48 and 23,118.88

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Solution

The fourth proportional to 41,980, 57,932.48 and 23,118.88 is: 31,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,980 : 57,932.48 = 23,118.88 : x
  2. Step 2: Convert to fraction form
    41,980/57,932.48 = 23,118.88/x
  3. Step 3: Cross multiply
    41,980x = 57,932.48 × 23,118.88
  4. Step 4: Simplify right side
    41,980x = 1,339,334,053.22
  5. Step 5: Solve for x
    x = 1,339,334,053.22/41,980
  6. Step 6: Final answer
    x = 31,904.10

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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.