Home / 38,188.99-52,698.94-21,193.03

Finding the Fourth Proportional to 38,188.99, 52,698.94 and 21,193.03

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Solution

The fourth proportional to 38,188.99, 52,698.94 and 21,193.03 is: 29,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188.99 : 52,698.94 = 21,193.03 : x
  2. Step 2: Convert to fraction form
    38,188.99/52,698.94 = 21,193.03/x
  3. Step 3: Cross multiply
    38,188.99x = 52,698.94 × 21,193.03
  4. Step 4: Simplify right side
    38,188.99x = 1,116,850,216.39
  5. Step 5: Solve for x
    x = 1,116,850,216.39/38,188.99
  6. Step 6: Final answer
    x = 29,245.35

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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.