Home / 53,439.48-80,158.41-18,379.44

Finding the Fourth Proportional to 53,439.48, 80,158.41 and 18,379.44

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Solution

The fourth proportional to 53,439.48, 80,158.41 and 18,379.44 is: 27,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,439.48 : 80,158.41 = 18,379.44 : x
  2. Step 2: Convert to fraction form
    53,439.48/80,158.41 = 18,379.44/x
  3. Step 3: Cross multiply
    53,439.48x = 80,158.41 × 18,379.44
  4. Step 4: Simplify right side
    53,439.48x = 1,473,266,687.09
  5. Step 5: Solve for x
    x = 1,473,266,687.09/53,439.48
  6. Step 6: Final answer
    x = 27,568.88

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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.