Home / 38,193.11-52,707.06-21,198.45

Finding the Fourth Proportional to 38,193.11, 52,707.06 and 21,198.45

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Solution

The fourth proportional to 38,193.11, 52,707.06 and 21,198.45 is: 29,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,193.11 : 52,707.06 = 21,198.45 : x
  2. Step 2: Convert to fraction form
    38,193.11/52,707.06 = 21,198.45/x
  3. Step 3: Cross multiply
    38,193.11x = 52,707.06 × 21,198.45
  4. Step 4: Simplify right side
    38,193.11x = 1,117,307,976.06
  5. Step 5: Solve for x
    x = 1,117,307,976.06/38,193.11
  6. Step 6: Final answer
    x = 29,254.18

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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.