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Finding the Fourth Proportional to 50,855.82, 76,283.73 and 19,691.07

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Solution

The fourth proportional to 50,855.82, 76,283.73 and 19,691.07 is: 29,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.82 : 76,283.73 = 19,691.07 : x
  2. Step 2: Convert to fraction form
    50,855.82/76,283.73 = 19,691.07/x
  3. Step 3: Cross multiply
    50,855.82x = 76,283.73 × 19,691.07
  4. Step 4: Simplify right side
    50,855.82x = 1,502,108,267.29
  5. Step 5: Solve for x
    x = 1,502,108,267.29/50,855.82
  6. Step 6: Final answer
    x = 29,536.61

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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.