Home / 43,590.97-65,377.84-11,992.92

Finding the Fourth Proportional to 43,590.97, 65,377.84 and 11,992.92

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Solution

The fourth proportional to 43,590.97, 65,377.84 and 11,992.92 is: 17,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,590.97 : 65,377.84 = 11,992.92 : x
  2. Step 2: Convert to fraction form
    43,590.97/65,377.84 = 11,992.92/x
  3. Step 3: Cross multiply
    43,590.97x = 65,377.84 × 11,992.92
  4. Step 4: Simplify right side
    43,590.97x = 784,071,204.89
  5. Step 5: Solve for x
    x = 784,071,204.89/43,590.97
  6. Step 6: Final answer
    x = 17,987.01

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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.