Home / 29,449.54-40,655.42-22,720.06

Finding the Fourth Proportional to 29,449.54, 40,655.42 and 22,720.06

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Solution

The fourth proportional to 29,449.54, 40,655.42 and 22,720.06 is: 31,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,449.54 : 40,655.42 = 22,720.06 : x
  2. Step 2: Convert to fraction form
    29,449.54/40,655.42 = 22,720.06/x
  3. Step 3: Cross multiply
    29,449.54x = 40,655.42 × 22,720.06
  4. Step 4: Simplify right side
    29,449.54x = 923,693,581.73
  5. Step 5: Solve for x
    x = 923,693,581.73/29,449.54
  6. Step 6: Final answer
    x = 31,365.30

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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.