Home / 30,506.85-45,755.91-11,795.69

Finding the Fourth Proportional to 30,506.85, 45,755.91 and 11,795.69

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Solution

The fourth proportional to 30,506.85, 45,755.91 and 11,795.69 is: 17,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506.85 : 45,755.91 = 11,795.69 : x
  2. Step 2: Convert to fraction form
    30,506.85/45,755.91 = 11,795.69/x
  3. Step 3: Cross multiply
    30,506.85x = 45,755.91 × 11,795.69
  4. Step 4: Simplify right side
    30,506.85x = 539,722,644.42
  5. Step 5: Solve for x
    x = 539,722,644.42/30,506.85
  6. Step 6: Final answer
    x = 17,691.85

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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.