Home / 34,805.66-47,909.88-30,321.63

Finding the Fourth Proportional to 34,805.66, 47,909.88 and 30,321.63

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Solution

The fourth proportional to 34,805.66, 47,909.88 and 30,321.63 is: 41,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,805.66 : 47,909.88 = 30,321.63 : x
  2. Step 2: Convert to fraction form
    34,805.66/47,909.88 = 30,321.63/x
  3. Step 3: Cross multiply
    34,805.66x = 47,909.88 × 30,321.63
  4. Step 4: Simplify right side
    34,805.66x = 1,452,705,654.70
  5. Step 5: Solve for x
    x = 1,452,705,654.70/34,805.66
  6. Step 6: Final answer
    x = 41,737.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.