Home / 30,228.54-45,292.62-18,517.14

Finding the Fourth Proportional to 30,228.54, 45,292.62 and 18,517.14

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Solution

The fourth proportional to 30,228.54, 45,292.62 and 18,517.14 is: 27,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.54 : 45,292.62 = 18,517.14 : x
  2. Step 2: Convert to fraction form
    30,228.54/45,292.62 = 18,517.14/x
  3. Step 3: Cross multiply
    30,228.54x = 45,292.62 × 18,517.14
  4. Step 4: Simplify right side
    30,228.54x = 838,689,785.51
  5. Step 5: Solve for x
    x = 838,689,785.51/30,228.54
  6. Step 6: Final answer
    x = 27,744.97

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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.