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Finding the Fourth Proportional to 54,537.55, 81,802 and 19,473.55

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Solution

The fourth proportional to 54,537.55, 81,802 and 19,473.55 is: 29,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,537.55 : 81,802 = 19,473.55 : x
  2. Step 2: Convert to fraction form
    54,537.55/81,802 = 19,473.55/x
  3. Step 3: Cross multiply
    54,537.55x = 81,802 × 19,473.55
  4. Step 4: Simplify right side
    54,537.55x = 1,592,975,337.10
  5. Step 5: Solve for x
    x = 1,592,975,337.10/54,537.55
  6. Step 6: Final answer
    x = 29,208.78

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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.