Home / 29,104.38-40,132.26-19,656.54

Finding the Fourth Proportional to 29,104.38, 40,132.26 and 19,656.54

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Solution

The fourth proportional to 29,104.38, 40,132.26 and 19,656.54 is: 27,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,104.38 : 40,132.26 = 19,656.54 : x
  2. Step 2: Convert to fraction form
    29,104.38/40,132.26 = 19,656.54/x
  3. Step 3: Cross multiply
    29,104.38x = 40,132.26 × 19,656.54
  4. Step 4: Simplify right side
    29,104.38x = 788,861,373.98
  5. Step 5: Solve for x
    x = 788,861,373.98/29,104.38
  6. Step 6: Final answer
    x = 27,104.56

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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.