Home / 30,563.73-42,191.76-19,249.85

Finding the Fourth Proportional to 30,563.73, 42,191.76 and 19,249.85

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Solution

The fourth proportional to 30,563.73, 42,191.76 and 19,249.85 is: 26,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563.73 : 42,191.76 = 19,249.85 : x
  2. Step 2: Convert to fraction form
    30,563.73/42,191.76 = 19,249.85/x
  3. Step 3: Cross multiply
    30,563.73x = 42,191.76 × 19,249.85
  4. Step 4: Simplify right side
    30,563.73x = 812,185,051.24
  5. Step 5: Solve for x
    x = 812,185,051.24/30,563.73
  6. Step 6: Final answer
    x = 26,573.49

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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.