Home / 48,639.27-67,121.86-28,491.84

Finding the Fourth Proportional to 48,639.27, 67,121.86 and 28,491.84

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Solution

The fourth proportional to 48,639.27, 67,121.86 and 28,491.84 is: 39,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639.27 : 67,121.86 = 28,491.84 : x
  2. Step 2: Convert to fraction form
    48,639.27/67,121.86 = 28,491.84/x
  3. Step 3: Cross multiply
    48,639.27x = 67,121.86 × 28,491.84
  4. Step 4: Simplify right side
    48,639.27x = 1,912,425,295.62
  5. Step 5: Solve for x
    x = 1,912,425,295.62/48,639.27
  6. Step 6: Final answer
    x = 39,318.54

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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.