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Finding the Fourth Proportional to 50,480.70, 75,698.91 and 17,191.59

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Solution

The fourth proportional to 50,480.70, 75,698.91 and 17,191.59 is: 25,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,480.70 : 75,698.91 = 17,191.59 : x
  2. Step 2: Convert to fraction form
    50,480.70/75,698.91 = 17,191.59/x
  3. Step 3: Cross multiply
    50,480.70x = 75,698.91 × 17,191.59
  4. Step 4: Simplify right side
    50,480.70x = 1,301,384,624.17
  5. Step 5: Solve for x
    x = 1,301,384,624.17/50,480.70
  6. Step 6: Final answer
    x = 25,779.85

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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.