Home / 30,087.73-45,135.92-10,360.99

Finding the Fourth Proportional to 30,087.73, 45,135.92 and 10,360.99

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Solution

The fourth proportional to 30,087.73, 45,135.92 and 10,360.99 is: 15,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.73 : 45,135.92 = 10,360.99 : x
  2. Step 2: Convert to fraction form
    30,087.73/45,135.92 = 10,360.99/x
  3. Step 3: Cross multiply
    30,087.73x = 45,135.92 × 10,360.99
  4. Step 4: Simplify right side
    30,087.73x = 467,652,815.76
  5. Step 5: Solve for x
    x = 467,652,815.76/30,087.73
  6. Step 6: Final answer
    x = 15,542.97

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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.