Home / 50,532.88-69,732.84-28,172.56

Finding the Fourth Proportional to 50,532.88, 69,732.84 and 28,172.56

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Solution

The fourth proportional to 50,532.88, 69,732.84 and 28,172.56 is: 38,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,532.88 : 69,732.84 = 28,172.56 : x
  2. Step 2: Convert to fraction form
    50,532.88/69,732.84 = 28,172.56/x
  3. Step 3: Cross multiply
    50,532.88x = 69,732.84 × 28,172.56
  4. Step 4: Simplify right side
    50,532.88x = 1,964,552,618.87
  5. Step 5: Solve for x
    x = 1,964,552,618.87/50,532.88
  6. Step 6: Final answer
    x = 38,876.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.