Home / 50,012.18-75,039.01-21,917.69

Finding the Fourth Proportional to 50,012.18, 75,039.01 and 21,917.69

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Solution

The fourth proportional to 50,012.18, 75,039.01 and 21,917.69 is: 32,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,012.18 : 75,039.01 = 21,917.69 : x
  2. Step 2: Convert to fraction form
    50,012.18/75,039.01 = 21,917.69/x
  3. Step 3: Cross multiply
    50,012.18x = 75,039.01 × 21,917.69
  4. Step 4: Simplify right side
    50,012.18x = 1,644,681,610.49
  5. Step 5: Solve for x
    x = 1,644,681,610.49/50,012.18
  6. Step 6: Final answer
    x = 32,885.62

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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.