Home / 53,380.14-73,667.43-30,722.58

Finding the Fourth Proportional to 53,380.14, 73,667.43 and 30,722.58

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Solution

The fourth proportional to 53,380.14, 73,667.43 and 30,722.58 is: 42,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,380.14 : 73,667.43 = 30,722.58 : x
  2. Step 2: Convert to fraction form
    53,380.14/73,667.43 = 30,722.58/x
  3. Step 3: Cross multiply
    53,380.14x = 73,667.43 × 30,722.58
  4. Step 4: Simplify right side
    53,380.14x = 2,263,253,511.57
  5. Step 5: Solve for x
    x = 2,263,253,511.57/53,380.14
  6. Step 6: Final answer
    x = 42,398.79

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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.