Home / 38,190.49-52,728.57-29,221.97

Finding the Fourth Proportional to 38,190.49, 52,728.57 and 29,221.97

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Solution

The fourth proportional to 38,190.49, 52,728.57 and 29,221.97 is: 40,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.49 : 52,728.57 = 29,221.97 : x
  2. Step 2: Convert to fraction form
    38,190.49/52,728.57 = 29,221.97/x
  3. Step 3: Cross multiply
    38,190.49x = 52,728.57 × 29,221.97
  4. Step 4: Simplify right side
    38,190.49x = 1,540,832,427.04
  5. Step 5: Solve for x
    x = 1,540,832,427.04/38,190.49
  6. Step 6: Final answer
    x = 40,345.97

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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.