Home / 51,313.40-70,861.41-48,517.84

Finding the Fourth Proportional to 51,313.40, 70,861.41 and 48,517.84

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Solution

The fourth proportional to 51,313.40, 70,861.41 and 48,517.84 is: 67,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,313.40 : 70,861.41 = 48,517.84 : x
  2. Step 2: Convert to fraction form
    51,313.40/70,861.41 = 48,517.84/x
  3. Step 3: Cross multiply
    51,313.40x = 70,861.41 × 48,517.84
  4. Step 4: Simplify right side
    51,313.40x = 3,438,042,265.68
  5. Step 5: Solve for x
    x = 3,438,042,265.68/51,313.40
  6. Step 6: Final answer
    x = 67,000.86

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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.