Home / 45,378.30-67,963.77-26,871.42

Finding the Fourth Proportional to 45,378.30, 67,963.77 and 26,871.42

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Solution

The fourth proportional to 45,378.30, 67,963.77 and 26,871.42 is: 40,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.30 : 67,963.77 = 26,871.42 : x
  2. Step 2: Convert to fraction form
    45,378.30/67,963.77 = 26,871.42/x
  3. Step 3: Cross multiply
    45,378.30x = 67,963.77 × 26,871.42
  4. Step 4: Simplify right side
    45,378.30x = 1,826,283,008.45
  5. Step 5: Solve for x
    x = 1,826,283,008.45/45,378.30
  6. Step 6: Final answer
    x = 40,245.73

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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.