Home / 48,597.72-72,855.96-20,539.32

Finding the Fourth Proportional to 48,597.72, 72,855.96 and 20,539.32

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Solution

The fourth proportional to 48,597.72, 72,855.96 and 20,539.32 is: 30,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,597.72 : 72,855.96 = 20,539.32 : x
  2. Step 2: Convert to fraction form
    48,597.72/72,855.96 = 20,539.32/x
  3. Step 3: Cross multiply
    48,597.72x = 72,855.96 × 20,539.32
  4. Step 4: Simplify right side
    48,597.72x = 1,496,411,876.35
  5. Step 5: Solve for x
    x = 1,496,411,876.35/48,597.72
  6. Step 6: Final answer
    x = 30,791.81

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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.