Home / 33,631.20-50,446.80-30,002.40

Finding the Fourth Proportional to 33,631.20, 50,446.80 and 30,002.40

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Solution

The fourth proportional to 33,631.20, 50,446.80 and 30,002.40 is: 45,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,631.20 : 50,446.80 = 30,002.40 : x
  2. Step 2: Convert to fraction form
    33,631.20/50,446.80 = 30,002.40/x
  3. Step 3: Cross multiply
    33,631.20x = 50,446.80 × 30,002.40
  4. Step 4: Simplify right side
    33,631.20x = 1,513,525,072.32
  5. Step 5: Solve for x
    x = 1,513,525,072.32/33,631.20
  6. Step 6: Final answer
    x = 45,003.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.