Home / 54,609.39-75,359.97-30,738.69

Finding the Fourth Proportional to 54,609.39, 75,359.97 and 30,738.69

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Solution

The fourth proportional to 54,609.39, 75,359.97 and 30,738.69 is: 42,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609.39 : 75,359.97 = 30,738.69 : x
  2. Step 2: Convert to fraction form
    54,609.39/75,359.97 = 30,738.69/x
  3. Step 3: Cross multiply
    54,609.39x = 75,359.97 × 30,738.69
  4. Step 4: Simplify right side
    54,609.39x = 2,316,466,756.24
  5. Step 5: Solve for x
    x = 2,316,466,756.24/54,609.39
  6. Step 6: Final answer
    x = 42,418.84

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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.