Home / 50,519.25-75,781.91-15,459.21

Finding the Fourth Proportional to 50,519.25, 75,781.91 and 15,459.21

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Solution

The fourth proportional to 50,519.25, 75,781.91 and 15,459.21 is: 23,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.25 : 75,781.91 = 15,459.21 : x
  2. Step 2: Convert to fraction form
    50,519.25/75,781.91 = 15,459.21/x
  3. Step 3: Cross multiply
    50,519.25x = 75,781.91 × 15,459.21
  4. Step 4: Simplify right side
    50,519.25x = 1,171,528,499.54
  5. Step 5: Solve for x
    x = 1,171,528,499.54/50,519.25
  6. Step 6: Final answer
    x = 23,189.74

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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.