Home / 54,684.05-75,458.59-30,814.97

Finding the Fourth Proportional to 54,684.05, 75,458.59 and 30,814.97

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Solution

The fourth proportional to 54,684.05, 75,458.59 and 30,814.97 is: 42,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,684.05 : 75,458.59 = 30,814.97 : x
  2. Step 2: Convert to fraction form
    54,684.05/75,458.59 = 30,814.97/x
  3. Step 3: Cross multiply
    54,684.05x = 75,458.59 × 30,814.97
  4. Step 4: Simplify right side
    54,684.05x = 2,325,253,732.76
  5. Step 5: Solve for x
    x = 2,325,253,732.76/54,684.05
  6. Step 6: Final answer
    x = 42,521.61

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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.