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Finding the Fourth Proportional to 32,882.81, 49,318.81 and 14,157.80

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Solution

The fourth proportional to 32,882.81, 49,318.81 and 14,157.80 is: 21,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,882.81 : 49,318.81 = 14,157.80 : x
  2. Step 2: Convert to fraction form
    32,882.81/49,318.81 = 14,157.80/x
  3. Step 3: Cross multiply
    32,882.81x = 49,318.81 × 14,157.80
  4. Step 4: Simplify right side
    32,882.81x = 698,245,751.17
  5. Step 5: Solve for x
    x = 698,245,751.17/32,882.81
  6. Step 6: Final answer
    x = 21,234.37

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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.