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Finding the Fourth Proportional to 30,549.71, 45,824.52 and 8,363.27

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Solution

The fourth proportional to 30,549.71, 45,824.52 and 8,363.27 is: 12,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,549.71 : 45,824.52 = 8,363.27 : x
  2. Step 2: Convert to fraction form
    30,549.71/45,824.52 = 8,363.27/x
  3. Step 3: Cross multiply
    30,549.71x = 45,824.52 × 8,363.27
  4. Step 4: Simplify right side
    30,549.71x = 383,242,604.26
  5. Step 5: Solve for x
    x = 383,242,604.26/30,549.71
  6. Step 6: Final answer
    x = 12,544.89

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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.