Home / 30,680.77-45,974.01-18,175.92

Finding the Fourth Proportional to 30,680.77, 45,974.01 and 18,175.92

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Solution

The fourth proportional to 30,680.77, 45,974.01 and 18,175.92 is: 27,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.77 : 45,974.01 = 18,175.92 : x
  2. Step 2: Convert to fraction form
    30,680.77/45,974.01 = 18,175.92/x
  3. Step 3: Cross multiply
    30,680.77x = 45,974.01 × 18,175.92
  4. Step 4: Simplify right side
    30,680.77x = 835,619,927.84
  5. Step 5: Solve for x
    x = 835,619,927.84/30,680.77
  6. Step 6: Final answer
    x = 27,235.95

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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.