Home / 30,839.24-42,558.50-18,092.65

Finding the Fourth Proportional to 30,839.24, 42,558.50 and 18,092.65

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Solution

The fourth proportional to 30,839.24, 42,558.50 and 18,092.65 is: 24,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.24 : 42,558.50 = 18,092.65 : x
  2. Step 2: Convert to fraction form
    30,839.24/42,558.50 = 18,092.65/x
  3. Step 3: Cross multiply
    30,839.24x = 42,558.50 × 18,092.65
  4. Step 4: Simplify right side
    30,839.24x = 769,995,983.86
  5. Step 5: Solve for x
    x = 769,995,983.86/30,839.24
  6. Step 6: Final answer
    x = 24,968.06

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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.