Home / 77,213.43-115,839-24,622.92

Finding the Fourth Proportional to 77,213.43, 115,839 and 24,622.92

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Solution

The fourth proportional to 77,213.43, 115,839 and 24,622.92 is: 36,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213.43 : 115,839 = 24,622.92 : x
  2. Step 2: Convert to fraction form
    77,213.43/115,839 = 24,622.92/x
  3. Step 3: Cross multiply
    77,213.43x = 115,839 × 24,622.92
  4. Step 4: Simplify right side
    77,213.43x = 2,852,294,429.88
  5. Step 5: Solve for x
    x = 2,852,294,429.88/77,213.43
  6. Step 6: Final answer
    x = 36,940.39

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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.