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Finding the Fourth Proportional to 30,534.88, 45,805.05 and 8,348.37

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Solution

The fourth proportional to 30,534.88, 45,805.05 and 8,348.37 is: 12,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534.88 : 45,805.05 = 8,348.37 : x
  2. Step 2: Convert to fraction form
    30,534.88/45,805.05 = 8,348.37/x
  3. Step 3: Cross multiply
    30,534.88x = 45,805.05 × 8,348.37
  4. Step 4: Simplify right side
    30,534.88x = 382,397,505.27
  5. Step 5: Solve for x
    x = 382,397,505.27/30,534.88
  6. Step 6: Final answer
    x = 12,523.30

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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.