Home / 48,754.42-73,137.12-19,168.36

Finding the Fourth Proportional to 48,754.42, 73,137.12 and 19,168.36

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Solution

The fourth proportional to 48,754.42, 73,137.12 and 19,168.36 is: 28,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,754.42 : 73,137.12 = 19,168.36 : x
  2. Step 2: Convert to fraction form
    48,754.42/73,137.12 = 19,168.36/x
  3. Step 3: Cross multiply
    48,754.42x = 73,137.12 × 19,168.36
  4. Step 4: Simplify right side
    48,754.42x = 1,401,918,645.52
  5. Step 5: Solve for x
    x = 1,401,918,645.52/48,754.42
  6. Step 6: Final answer
    x = 28,754.70

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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.