Home / 50,800.62-70,107.36-30,657.18

Finding the Fourth Proportional to 50,800.62, 70,107.36 and 30,657.18

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Solution

The fourth proportional to 50,800.62, 70,107.36 and 30,657.18 is: 42,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,800.62 : 70,107.36 = 30,657.18 : x
  2. Step 2: Convert to fraction form
    50,800.62/70,107.36 = 30,657.18/x
  3. Step 3: Cross multiply
    50,800.62x = 70,107.36 × 30,657.18
  4. Step 4: Simplify right side
    50,800.62x = 2,149,293,954.84
  5. Step 5: Solve for x
    x = 2,149,293,954.84/50,800.62
  6. Step 6: Final answer
    x = 42,308.42

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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.