Home / 30,384.73-41,930.93-16,772.78

Finding the Fourth Proportional to 30,384.73, 41,930.93 and 16,772.78

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Solution

The fourth proportional to 30,384.73, 41,930.93 and 16,772.78 is: 23,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,384.73 : 41,930.93 = 16,772.78 : x
  2. Step 2: Convert to fraction form
    30,384.73/41,930.93 = 16,772.78/x
  3. Step 3: Cross multiply
    30,384.73x = 41,930.93 × 16,772.78
  4. Step 4: Simplify right side
    30,384.73x = 703,298,253.60
  5. Step 5: Solve for x
    x = 703,298,253.60/30,384.73
  6. Step 6: Final answer
    x = 23,146.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.