Home / 30,281.97-45,425.27-9,223.79

Finding the Fourth Proportional to 30,281.97, 45,425.27 and 9,223.79

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Solution

The fourth proportional to 30,281.97, 45,425.27 and 9,223.79 is: 13,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.97 : 45,425.27 = 9,223.79 : x
  2. Step 2: Convert to fraction form
    30,281.97/45,425.27 = 9,223.79/x
  3. Step 3: Cross multiply
    30,281.97x = 45,425.27 × 9,223.79
  4. Step 4: Simplify right side
    30,281.97x = 418,993,218.62
  5. Step 5: Solve for x
    x = 418,993,218.62/30,281.97
  6. Step 6: Final answer
    x = 13,836.39

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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.