Home / 45,246.20-67,811.70-40,292.60

Finding the Fourth Proportional to 45,246.20, 67,811.70 and 40,292.60

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Solution

The fourth proportional to 45,246.20, 67,811.70 and 40,292.60 is: 60,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,246.20 : 67,811.70 = 40,292.60 : x
  2. Step 2: Convert to fraction form
    45,246.20/67,811.70 = 40,292.60/x
  3. Step 3: Cross multiply
    45,246.20x = 67,811.70 × 40,292.60
  4. Step 4: Simplify right side
    45,246.20x = 2,732,309,703.42
  5. Step 5: Solve for x
    x = 2,732,309,703.42/45,246.20
  6. Step 6: Final answer
    x = 60,387.61

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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.