Home / 48,324.45-72,485.76-19,855.35

Finding the Fourth Proportional to 48,324.45, 72,485.76 and 19,855.35

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Solution

The fourth proportional to 48,324.45, 72,485.76 and 19,855.35 is: 29,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,324.45 : 72,485.76 = 19,855.35 : x
  2. Step 2: Convert to fraction form
    48,324.45/72,485.76 = 19,855.35/x
  3. Step 3: Cross multiply
    48,324.45x = 72,485.76 × 19,855.35
  4. Step 4: Simplify right side
    48,324.45x = 1,439,230,134.82
  5. Step 5: Solve for x
    x = 1,439,230,134.82/48,324.45
  6. Step 6: Final answer
    x = 29,782.65

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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.