Home / 45,213.20-67,805.94-31,262.87

Finding the Fourth Proportional to 45,213.20, 67,805.94 and 31,262.87

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Solution

The fourth proportional to 45,213.20, 67,805.94 and 31,262.87 is: 46,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,213.20 : 67,805.94 = 31,262.87 : x
  2. Step 2: Convert to fraction form
    45,213.20/67,805.94 = 31,262.87/x
  3. Step 3: Cross multiply
    45,213.20x = 67,805.94 × 31,262.87
  4. Step 4: Simplify right side
    45,213.20x = 2,119,808,669.55
  5. Step 5: Solve for x
    x = 2,119,808,669.55/45,213.20
  6. Step 6: Final answer
    x = 46,884.73

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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.