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Finding the Fourth Proportional to 54,369, 81,554.04 and 19,310.04

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Solution

The fourth proportional to 54,369, 81,554.04 and 19,310.04 is: 28,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369 : 81,554.04 = 19,310.04 : x
  2. Step 2: Convert to fraction form
    54,369/81,554.04 = 19,310.04/x
  3. Step 3: Cross multiply
    54,369x = 81,554.04 × 19,310.04
  4. Step 4: Simplify right side
    54,369x = 1,574,811,774.56
  5. Step 5: Solve for x
    x = 1,574,811,774.56/54,369
  6. Step 6: Final answer
    x = 28,965.25

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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.