Home / 54,864.92-82,297.10-19,317.80

Finding the Fourth Proportional to 54,864.92, 82,297.10 and 19,317.80

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Solution

The fourth proportional to 54,864.92, 82,297.10 and 19,317.80 is: 28,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,864.92 : 82,297.10 = 19,317.80 : x
  2. Step 2: Convert to fraction form
    54,864.92/82,297.10 = 19,317.80/x
  3. Step 3: Cross multiply
    54,864.92x = 82,297.10 × 19,317.80
  4. Step 4: Simplify right side
    54,864.92x = 1,589,798,918.38
  5. Step 5: Solve for x
    x = 1,589,798,918.38/54,864.92
  6. Step 6: Final answer
    x = 28,976.60

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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.