Home / 30,371.62-45,557.73-10,650.65

Finding the Fourth Proportional to 30,371.62, 45,557.73 and 10,650.65

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Solution

The fourth proportional to 30,371.62, 45,557.73 and 10,650.65 is: 15,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.62 : 45,557.73 = 10,650.65 : x
  2. Step 2: Convert to fraction form
    30,371.62/45,557.73 = 10,650.65/x
  3. Step 3: Cross multiply
    30,371.62x = 45,557.73 × 10,650.65
  4. Step 4: Simplify right side
    30,371.62x = 485,219,209.24
  5. Step 5: Solve for x
    x = 485,219,209.24/30,371.62
  6. Step 6: Final answer
    x = 15,976.07

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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.