Home / 54,007.71-74,530.91-30,135.73

Finding the Fourth Proportional to 54,007.71, 74,530.91 and 30,135.73

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Solution

The fourth proportional to 54,007.71, 74,530.91 and 30,135.73 is: 41,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,007.71 : 74,530.91 = 30,135.73 : x
  2. Step 2: Convert to fraction form
    54,007.71/74,530.91 = 30,135.73/x
  3. Step 3: Cross multiply
    54,007.71x = 74,530.91 × 30,135.73
  4. Step 4: Simplify right side
    54,007.71x = 2,246,043,380.41
  5. Step 5: Solve for x
    x = 2,246,043,380.41/54,007.71
  6. Step 6: Final answer
    x = 41,587.46

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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.