Home / 50,557.72-75,836.62-13,621.72

Finding the Fourth Proportional to 50,557.72, 75,836.62 and 13,621.72

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Solution

The fourth proportional to 50,557.72, 75,836.62 and 13,621.72 is: 20,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,557.72 : 75,836.62 = 13,621.72 : x
  2. Step 2: Convert to fraction form
    50,557.72/75,836.62 = 13,621.72/x
  3. Step 3: Cross multiply
    50,557.72x = 75,836.62 × 13,621.72
  4. Step 4: Simplify right side
    50,557.72x = 1,033,025,203.39
  5. Step 5: Solve for x
    x = 1,033,025,203.39/50,557.72
  6. Step 6: Final answer
    x = 20,432.59

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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.