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Finding the Fourth Proportional to 48,203.74, 72,211.44 and 33,208.21

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Solution

The fourth proportional to 48,203.74, 72,211.44 and 33,208.21 is: 49,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,203.74 : 72,211.44 = 33,208.21 : x
  2. Step 2: Convert to fraction form
    48,203.74/72,211.44 = 33,208.21/x
  3. Step 3: Cross multiply
    48,203.74x = 72,211.44 × 33,208.21
  4. Step 4: Simplify right side
    48,203.74x = 2,398,012,663.92
  5. Step 5: Solve for x
    x = 2,398,012,663.92/48,203.74
  6. Step 6: Final answer
    x = 49,747.44

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1.5x scale

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.