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Finding the Fourth Proportional to 50,651.52, 75,980.51 and 19,486.77

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Solution

The fourth proportional to 50,651.52, 75,980.51 and 19,486.77 is: 29,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.52 : 75,980.51 = 19,486.77 : x
  2. Step 2: Convert to fraction form
    50,651.52/75,980.51 = 19,486.77/x
  3. Step 3: Cross multiply
    50,651.52x = 75,980.51 × 19,486.77
  4. Step 4: Simplify right side
    50,651.52x = 1,480,614,722.85
  5. Step 5: Solve for x
    x = 1,480,614,722.85/50,651.52
  6. Step 6: Final answer
    x = 29,231.40

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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.