Home / 30,238.32-41,739.12-17,673.60

Finding the Fourth Proportional to 30,238.32, 41,739.12 and 17,673.60

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Solution

The fourth proportional to 30,238.32, 41,739.12 and 17,673.60 is: 24,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.32 : 41,739.12 = 17,673.60 : x
  2. Step 2: Convert to fraction form
    30,238.32/41,739.12 = 17,673.60/x
  3. Step 3: Cross multiply
    30,238.32x = 41,739.12 × 17,673.60
  4. Step 4: Simplify right side
    30,238.32x = 737,680,511.23
  5. Step 5: Solve for x
    x = 737,680,511.23/30,238.32
  6. Step 6: Final answer
    x = 24,395.55

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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.