Home / 50,730.12-76,073.31-19,543.50

Finding the Fourth Proportional to 50,730.12, 76,073.31 and 19,543.50

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Solution

The fourth proportional to 50,730.12, 76,073.31 and 19,543.50 is: 29,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.12 : 76,073.31 = 19,543.50 : x
  2. Step 2: Convert to fraction form
    50,730.12/76,073.31 = 19,543.50/x
  3. Step 3: Cross multiply
    50,730.12x = 76,073.31 × 19,543.50
  4. Step 4: Simplify right side
    50,730.12x = 1,486,738,733.99
  5. Step 5: Solve for x
    x = 1,486,738,733.99/50,730.12
  6. Step 6: Final answer
    x = 29,306.82

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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.