Home / 54,049.34-80,530.38-51,031.28

Finding the Fourth Proportional to 54,049.34, 80,530.38 and 51,031.28

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Solution

The fourth proportional to 54,049.34, 80,530.38 and 51,031.28 is: 76,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049.34 : 80,530.38 = 51,031.28 : x
  2. Step 2: Convert to fraction form
    54,049.34/80,530.38 = 51,031.28/x
  3. Step 3: Cross multiply
    54,049.34x = 80,530.38 × 51,031.28
  4. Step 4: Simplify right side
    54,049.34x = 4,109,568,370.29
  5. Step 5: Solve for x
    x = 4,109,568,370.29/54,049.34
  6. Step 6: Final answer
    x = 76,033.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.