Home / 38,193.49-52,707.57-21,198.07

Finding the Fourth Proportional to 38,193.49, 52,707.57 and 21,198.07

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Solution

The fourth proportional to 38,193.49, 52,707.57 and 21,198.07 is: 29,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,193.49 : 52,707.57 = 21,198.07 : x
  2. Step 2: Convert to fraction form
    38,193.49/52,707.57 = 21,198.07/x
  3. Step 3: Cross multiply
    38,193.49x = 52,707.57 × 21,198.07
  4. Step 4: Simplify right side
    38,193.49x = 1,117,298,758.39
  5. Step 5: Solve for x
    x = 1,117,298,758.39/38,193.49
  6. Step 6: Final answer
    x = 29,253.64

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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.