Home / 48,629.04-72,907.11-20,581.98

Finding the Fourth Proportional to 48,629.04, 72,907.11 and 20,581.98

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Solution

The fourth proportional to 48,629.04, 72,907.11 and 20,581.98 is: 30,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,629.04 : 72,907.11 = 20,581.98 : x
  2. Step 2: Convert to fraction form
    48,629.04/72,907.11 = 20,581.98/x
  3. Step 3: Cross multiply
    48,629.04x = 72,907.11 × 20,581.98
  4. Step 4: Simplify right side
    48,629.04x = 1,500,572,679.88
  5. Step 5: Solve for x
    x = 1,500,572,679.88/48,629.04
  6. Step 6: Final answer
    x = 30,857.54

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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.