Home / 40,245.10-55,538.19-22,340.07

Finding the Fourth Proportional to 40,245.10, 55,538.19 and 22,340.07

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Solution

The fourth proportional to 40,245.10, 55,538.19 and 22,340.07 is: 30,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,245.10 : 55,538.19 = 22,340.07 : x
  2. Step 2: Convert to fraction form
    40,245.10/55,538.19 = 22,340.07/x
  3. Step 3: Cross multiply
    40,245.10x = 55,538.19 × 22,340.07
  4. Step 4: Simplify right side
    40,245.10x = 1,240,727,052.27
  5. Step 5: Solve for x
    x = 1,240,727,052.27/40,245.10
  6. Step 6: Final answer
    x = 30,829.27

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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.