Home / 54,189.24-74,777.68-30,311.80

Finding the Fourth Proportional to 54,189.24, 74,777.68 and 30,311.80

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Solution

The fourth proportional to 54,189.24, 74,777.68 and 30,311.80 is: 41,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,189.24 : 74,777.68 = 30,311.80 : x
  2. Step 2: Convert to fraction form
    54,189.24/74,777.68 = 30,311.80/x
  3. Step 3: Cross multiply
    54,189.24x = 74,777.68 × 30,311.80
  4. Step 4: Simplify right side
    54,189.24x = 2,266,646,080.62
  5. Step 5: Solve for x
    x = 2,266,646,080.62/54,189.24
  6. Step 6: Final answer
    x = 41,828.34

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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.