Home / 50,785.74-76,207.79-39,661.20

Finding the Fourth Proportional to 50,785.74, 76,207.79 and 39,661.20

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Solution

The fourth proportional to 50,785.74, 76,207.79 and 39,661.20 is: 59,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.74 : 76,207.79 = 39,661.20 : x
  2. Step 2: Convert to fraction form
    50,785.74/76,207.79 = 39,661.20/x
  3. Step 3: Cross multiply
    50,785.74x = 76,207.79 × 39,661.20
  4. Step 4: Simplify right side
    50,785.74x = 3,022,492,400.75
  5. Step 5: Solve for x
    x = 3,022,492,400.75/50,785.74
  6. Step 6: Final answer
    x = 59,514.59

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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.