Home / 54,193.34-74,789.71-30,318.59

Finding the Fourth Proportional to 54,193.34, 74,789.71 and 30,318.59

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Solution

The fourth proportional to 54,193.34, 74,789.71 and 30,318.59 is: 41,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.34 : 74,789.71 = 30,318.59 : x
  2. Step 2: Convert to fraction form
    54,193.34/74,789.71 = 30,318.59/x
  3. Step 3: Cross multiply
    54,193.34x = 74,789.71 × 30,318.59
  4. Step 4: Simplify right side
    54,193.34x = 2,267,518,179.76
  5. Step 5: Solve for x
    x = 2,267,518,179.76/54,193.34
  6. Step 6: Final answer
    x = 41,841.27

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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.