Home / 38,194.92-52,713.54-21,430.44

Finding the Fourth Proportional to 38,194.92, 52,713.54 and 21,430.44

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Solution

The fourth proportional to 38,194.92, 52,713.54 and 21,430.44 is: 29,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,194.92 : 52,713.54 = 21,430.44 : x
  2. Step 2: Convert to fraction form
    38,194.92/52,713.54 = 21,430.44/x
  3. Step 3: Cross multiply
    38,194.92x = 52,713.54 × 21,430.44
  4. Step 4: Simplify right side
    38,194.92x = 1,129,674,356.16
  5. Step 5: Solve for x
    x = 1,129,674,356.16/38,194.92
  6. Step 6: Final answer
    x = 29,576.56

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Half scale
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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.