Home / 51,414.22-70,952.16-30,193.84

Finding the Fourth Proportional to 51,414.22, 70,952.16 and 30,193.84

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Solution

The fourth proportional to 51,414.22, 70,952.16 and 30,193.84 is: 41,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,414.22 : 70,952.16 = 30,193.84 : x
  2. Step 2: Convert to fraction form
    51,414.22/70,952.16 = 30,193.84/x
  3. Step 3: Cross multiply
    51,414.22x = 70,952.16 × 30,193.84
  4. Step 4: Simplify right side
    51,414.22x = 2,142,318,166.69
  5. Step 5: Solve for x
    x = 2,142,318,166.69/51,414.22
  6. Step 6: Final answer
    x = 41,667.81

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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.