Home / 48,154.68-72,245.31-20,087.93

Finding the Fourth Proportional to 48,154.68, 72,245.31 and 20,087.93

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Solution

The fourth proportional to 48,154.68, 72,245.31 and 20,087.93 is: 30,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,154.68 : 72,245.31 = 20,087.93 : x
  2. Step 2: Convert to fraction form
    48,154.68/72,245.31 = 20,087.93/x
  3. Step 3: Cross multiply
    48,154.68x = 72,245.31 × 20,087.93
  4. Step 4: Simplify right side
    48,154.68x = 1,451,258,368.88
  5. Step 5: Solve for x
    x = 1,451,258,368.88/48,154.68
  6. Step 6: Final answer
    x = 30,137.43

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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.