Home / 30,338.88-45,508.31-9,562.38

Finding the Fourth Proportional to 30,338.88, 45,508.31 and 9,562.38

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Solution

The fourth proportional to 30,338.88, 45,508.31 and 9,562.38 is: 14,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.88 : 45,508.31 = 9,562.38 : x
  2. Step 2: Convert to fraction form
    30,338.88/45,508.31 = 9,562.38/x
  3. Step 3: Cross multiply
    30,338.88x = 45,508.31 × 9,562.38
  4. Step 4: Simplify right side
    30,338.88x = 435,167,753.38
  5. Step 5: Solve for x
    x = 435,167,753.38/30,338.88
  6. Step 6: Final answer
    x = 14,343.57

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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.