Home / 38,194.05-52,707.81-21,198.30

Finding the Fourth Proportional to 38,194.05, 52,707.81 and 21,198.30

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Solution

The fourth proportional to 38,194.05, 52,707.81 and 21,198.30 is: 29,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,194.05 : 52,707.81 = 21,198.30 : x
  2. Step 2: Convert to fraction form
    38,194.05/52,707.81 = 21,198.30/x
  3. Step 3: Cross multiply
    38,194.05x = 52,707.81 × 21,198.30
  4. Step 4: Simplify right side
    38,194.05x = 1,117,316,295.28
  5. Step 5: Solve for x
    x = 1,117,316,295.28/38,194.05
  6. Step 6: Final answer
    x = 29,253.67

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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.