Home / 48,270.74-72,369.05-18,284.54

Finding the Fourth Proportional to 48,270.74, 72,369.05 and 18,284.54

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Solution

The fourth proportional to 48,270.74, 72,369.05 and 18,284.54 is: 27,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,270.74 : 72,369.05 = 18,284.54 : x
  2. Step 2: Convert to fraction form
    48,270.74/72,369.05 = 18,284.54/x
  3. Step 3: Cross multiply
    48,270.74x = 72,369.05 × 18,284.54
  4. Step 4: Simplify right side
    48,270.74x = 1,323,234,336.22
  5. Step 5: Solve for x
    x = 1,323,234,336.22/48,270.74
  6. Step 6: Final answer
    x = 27,412.77

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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.