Home / 82,395.76-123,630.40-37,998.68

Finding the Fourth Proportional to 82,395.76, 123,630.40 and 37,998.68

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Solution

The fourth proportional to 82,395.76, 123,630.40 and 37,998.68 is: 57,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,395.76 : 123,630.40 = 37,998.68 : x
  2. Step 2: Convert to fraction form
    82,395.76/123,630.40 = 37,998.68/x
  3. Step 3: Cross multiply
    82,395.76x = 123,630.40 × 37,998.68
  4. Step 4: Simplify right side
    82,395.76x = 4,697,792,007.87
  5. Step 5: Solve for x
    x = 4,697,792,007.87/82,395.76
  6. Step 6: Final answer
    x = 57,014.97

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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.