Home / 54,216.11-74,818.23-30,342.80

Finding the Fourth Proportional to 54,216.11, 74,818.23 and 30,342.80

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Solution

The fourth proportional to 54,216.11, 74,818.23 and 30,342.80 is: 41,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.11 : 74,818.23 = 30,342.80 : x
  2. Step 2: Convert to fraction form
    54,216.11/74,818.23 = 30,342.80/x
  3. Step 3: Cross multiply
    54,216.11x = 74,818.23 × 30,342.80
  4. Step 4: Simplify right side
    54,216.11x = 2,270,194,589.24
  5. Step 5: Solve for x
    x = 2,270,194,589.24/54,216.11
  6. Step 6: Final answer
    x = 41,873.06

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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.