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Finding the Fourth Proportional to 48,282.92, 72,424.44 and 13,222.88

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Solution

The fourth proportional to 48,282.92, 72,424.44 and 13,222.88 is: 19,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,282.92 : 72,424.44 = 13,222.88 : x
  2. Step 2: Convert to fraction form
    48,282.92/72,424.44 = 13,222.88/x
  3. Step 3: Cross multiply
    48,282.92x = 72,424.44 × 13,222.88
  4. Step 4: Simplify right side
    48,282.92x = 957,659,679.19
  5. Step 5: Solve for x
    x = 957,659,679.19/48,282.92
  6. Step 6: Final answer
    x = 19,834.34

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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.