Home / 30,168.05-45,246.20-15,171.17

Finding the Fourth Proportional to 30,168.05, 45,246.20 and 15,171.17

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Solution

The fourth proportional to 30,168.05, 45,246.20 and 15,171.17 is: 22,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.05 : 45,246.20 = 15,171.17 : x
  2. Step 2: Convert to fraction form
    30,168.05/45,246.20 = 15,171.17/x
  3. Step 3: Cross multiply
    30,168.05x = 45,246.20 × 15,171.17
  4. Step 4: Simplify right side
    30,168.05x = 686,437,489.97
  5. Step 5: Solve for x
    x = 686,437,489.97/30,168.05
  6. Step 6: Final answer
    x = 22,753.79

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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.