Home / 54,489.05-75,194.96-30,615.71

Finding the Fourth Proportional to 54,489.05, 75,194.96 and 30,615.71

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Solution

The fourth proportional to 54,489.05, 75,194.96 and 30,615.71 is: 42,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,489.05 : 75,194.96 = 30,615.71 : x
  2. Step 2: Convert to fraction form
    54,489.05/75,194.96 = 30,615.71/x
  3. Step 3: Cross multiply
    54,489.05x = 75,194.96 × 30,615.71
  4. Step 4: Simplify right side
    54,489.05x = 2,302,147,088.82
  5. Step 5: Solve for x
    x = 2,302,147,088.82/54,489.05
  6. Step 6: Final answer
    x = 42,249.72

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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.