Home / 50,253.90-75,378.74-12,814.89

Finding the Fourth Proportional to 50,253.90, 75,378.74 and 12,814.89

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Solution

The fourth proportional to 50,253.90, 75,378.74 and 12,814.89 is: 19,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,253.90 : 75,378.74 = 12,814.89 : x
  2. Step 2: Convert to fraction form
    50,253.90/75,378.74 = 12,814.89/x
  3. Step 3: Cross multiply
    50,253.90x = 75,378.74 × 12,814.89
  4. Step 4: Simplify right side
    50,253.90x = 965,970,293.48
  5. Step 5: Solve for x
    x = 965,970,293.48/50,253.90
  6. Step 6: Final answer
    x = 19,221.80

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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.