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Finding the Fourth Proportional to 30,083.88, 45,162.54 and 28,894.67

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Solution

The fourth proportional to 30,083.88, 45,162.54 and 28,894.67 is: 43,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.88 : 45,162.54 = 28,894.67 : x
  2. Step 2: Convert to fraction form
    30,083.88/45,162.54 = 28,894.67/x
  3. Step 3: Cross multiply
    30,083.88x = 45,162.54 × 28,894.67
  4. Step 4: Simplify right side
    30,083.88x = 1,304,956,463.85
  5. Step 5: Solve for x
    x = 1,304,956,463.85/30,083.88
  6. Step 6: Final answer
    x = 43,377.27

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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.