Home / 30,561.02-45,832.50-9,212.84

Finding the Fourth Proportional to 30,561.02, 45,832.50 and 9,212.84

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Solution

The fourth proportional to 30,561.02, 45,832.50 and 9,212.84 is: 13,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.02 : 45,832.50 = 9,212.84 : x
  2. Step 2: Convert to fraction form
    30,561.02/45,832.50 = 9,212.84/x
  3. Step 3: Cross multiply
    30,561.02x = 45,832.50 × 9,212.84
  4. Step 4: Simplify right side
    30,561.02x = 422,247,489.30
  5. Step 5: Solve for x
    x = 422,247,489.30/30,561.02
  6. Step 6: Final answer
    x = 13,816.54

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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.