Home / 30,304.98-45,478.21-10,583.54

Finding the Fourth Proportional to 30,304.98, 45,478.21 and 10,583.54

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Solution

The fourth proportional to 30,304.98, 45,478.21 and 10,583.54 is: 15,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304.98 : 45,478.21 = 10,583.54 : x
  2. Step 2: Convert to fraction form
    30,304.98/45,478.21 = 10,583.54/x
  3. Step 3: Cross multiply
    30,304.98x = 45,478.21 × 10,583.54
  4. Step 4: Simplify right side
    30,304.98x = 481,320,454.66
  5. Step 5: Solve for x
    x = 481,320,454.66/30,304.98
  6. Step 6: Final answer
    x = 15,882.55

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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.