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Finding the Fourth Proportional to 54,403.56, 81,613.56 and 19,334.88

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Solution

The fourth proportional to 54,403.56, 81,613.56 and 19,334.88 is: 29,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.56 : 81,613.56 = 19,334.88 : x
  2. Step 2: Convert to fraction form
    54,403.56/81,613.56 = 19,334.88/x
  3. Step 3: Cross multiply
    54,403.56x = 81,613.56 × 19,334.88
  4. Step 4: Simplify right side
    54,403.56x = 1,577,988,388.97
  5. Step 5: Solve for x
    x = 1,577,988,388.97/54,403.56
  6. Step 6: Final answer
    x = 29,005.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.