Home / 48,285.30-72,419.85-13,216.62

Finding the Fourth Proportional to 48,285.30, 72,419.85 and 13,216.62

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Solution

The fourth proportional to 48,285.30, 72,419.85 and 13,216.62 is: 19,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285.30 : 72,419.85 = 13,216.62 : x
  2. Step 2: Convert to fraction form
    48,285.30/72,419.85 = 13,216.62/x
  3. Step 3: Cross multiply
    48,285.30x = 72,419.85 × 13,216.62
  4. Step 4: Simplify right side
    48,285.30x = 957,145,637.91
  5. Step 5: Solve for x
    x = 957,145,637.91/48,285.30
  6. Step 6: Final answer
    x = 19,822.71

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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.