Home / 50,813.76-70,079.68-40,184.96

Finding the Fourth Proportional to 50,813.76, 70,079.68 and 40,184.96

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Solution

The fourth proportional to 50,813.76, 70,079.68 and 40,184.96 is: 55,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,813.76 : 70,079.68 = 40,184.96 : x
  2. Step 2: Convert to fraction form
    50,813.76/70,079.68 = 40,184.96/x
  3. Step 3: Cross multiply
    50,813.76x = 70,079.68 × 40,184.96
  4. Step 4: Simplify right side
    50,813.76x = 2,816,149,137.61
  5. Step 5: Solve for x
    x = 2,816,149,137.61/50,813.76
  6. Step 6: Final answer
    x = 55,420.99

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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.