Home / 48,424.55-72,636.83-13,364.21

Finding the Fourth Proportional to 48,424.55, 72,636.83 and 13,364.21

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Solution

The fourth proportional to 48,424.55, 72,636.83 and 13,364.21 is: 20,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,424.55 : 72,636.83 = 13,364.21 : x
  2. Step 2: Convert to fraction form
    48,424.55/72,636.83 = 13,364.21/x
  3. Step 3: Cross multiply
    48,424.55x = 72,636.83 × 13,364.21
  4. Step 4: Simplify right side
    48,424.55x = 970,733,419.85
  5. Step 5: Solve for x
    x = 970,733,419.85/48,424.55
  6. Step 6: Final answer
    x = 20,046.31

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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.