Home / 30,922.84-42,673.80-16,775.96

Finding the Fourth Proportional to 30,922.84, 42,673.80 and 16,775.96

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Solution

The fourth proportional to 30,922.84, 42,673.80 and 16,775.96 is: 23,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922.84 : 42,673.80 = 16,775.96 : x
  2. Step 2: Convert to fraction form
    30,922.84/42,673.80 = 16,775.96/x
  3. Step 3: Cross multiply
    30,922.84x = 42,673.80 × 16,775.96
  4. Step 4: Simplify right side
    30,922.84x = 715,893,961.85
  5. Step 5: Solve for x
    x = 715,893,961.85/30,922.84
  6. Step 6: Final answer
    x = 23,150.98

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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.